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Finding the Fourth Proportional to 87,350.40, 130,960.80 and 37,389.60

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Solution

The fourth proportional to 87,350.40, 130,960.80 and 37,389.60 is: 56,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,350.40 : 130,960.80 = 37,389.60 : x
  2. Step 2: Convert to fraction form
    87,350.40/130,960.80 = 37,389.60/x
  3. Step 3: Cross multiply
    87,350.40x = 130,960.80 × 37,389.60
  4. Step 4: Simplify right side
    87,350.40x = 4,896,571,927.68
  5. Step 5: Solve for x
    x = 4,896,571,927.68/87,350.40
  6. Step 6: Final answer
    x = 56,056.66

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