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Finding the Fourth Proportional to 65,755.76, 90,720.74 and 37,441.40

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Solution

The fourth proportional to 65,755.76, 90,720.74 and 37,441.40 is: 51,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,755.76 : 90,720.74 = 37,441.40 : x
  2. Step 2: Convert to fraction form
    65,755.76/90,720.74 = 37,441.40/x
  3. Step 3: Cross multiply
    65,755.76x = 90,720.74 × 37,441.40
  4. Step 4: Simplify right side
    65,755.76x = 3,396,711,327.43
  5. Step 5: Solve for x
    x = 3,396,711,327.43/65,755.76
  6. Step 6: Final answer
    x = 51,656.48

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