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Finding the Fourth Proportional to 65,720.40, 98,580.60 and 37,629.60

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Solution

The fourth proportional to 65,720.40, 98,580.60 and 37,629.60 is: 56,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,720.40 : 98,580.60 = 37,629.60 : x
  2. Step 2: Convert to fraction form
    65,720.40/98,580.60 = 37,629.60/x
  3. Step 3: Cross multiply
    65,720.40x = 98,580.60 × 37,629.60
  4. Step 4: Simplify right side
    65,720.40x = 3,709,548,545.76
  5. Step 5: Solve for x
    x = 3,709,548,545.76/65,720.40
  6. Step 6: Final answer
    x = 56,444.40

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