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Finding the Fourth Proportional to 576,063.60, 864,095.40 and 243,639.60

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Solution

The fourth proportional to 576,063.60, 864,095.40 and 243,639.60 is: 365,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,063.60 : 864,095.40 = 243,639.60 : x
  2. Step 2: Convert to fraction form
    576,063.60/864,095.40 = 243,639.60/x
  3. Step 3: Cross multiply
    576,063.60x = 864,095.40 × 243,639.60
  4. Step 4: Simplify right side
    576,063.60x = 210,527,857,617.84
  5. Step 5: Solve for x
    x = 210,527,857,617.84/576,063.60
  6. Step 6: Final answer
    x = 365,459.40

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