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Finding the Fourth Proportional to 76,904.80, 115,378.80 and 37,463.20

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Solution

The fourth proportional to 76,904.80, 115,378.80 and 37,463.20 is: 56,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,904.80 : 115,378.80 = 37,463.20 : x
  2. Step 2: Convert to fraction form
    76,904.80/115,378.80 = 37,463.20/x
  3. Step 3: Cross multiply
    76,904.80x = 115,378.80 × 37,463.20
  4. Step 4: Simplify right side
    76,904.80x = 4,322,459,060.16
  5. Step 5: Solve for x
    x = 4,322,459,060.16/76,904.80
  6. Step 6: Final answer
    x = 56,205.32

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