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Finding the Fourth Proportional to 243,569.84, 365,346.55 and 85,794.19

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Solution

The fourth proportional to 243,569.84, 365,346.55 and 85,794.19 is: 128,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,569.84 : 365,346.55 = 85,794.19 : x
  2. Step 2: Convert to fraction form
    243,569.84/365,346.55 = 85,794.19/x
  3. Step 3: Cross multiply
    243,569.84x = 365,346.55 × 85,794.19
  4. Step 4: Simplify right side
    243,569.84x = 31,344,610,520.42
  5. Step 5: Solve for x
    x = 31,344,610,520.42/243,569.84
  6. Step 6: Final answer
    x = 128,688.39

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