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Finding the Fourth Proportional to 43,707.40, 65,686.05 and 40,745.74

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Solution

The fourth proportional to 43,707.40, 65,686.05 and 40,745.74 is: 61,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,707.40 : 65,686.05 = 40,745.74 : x
  2. Step 2: Convert to fraction form
    43,707.40/65,686.05 = 40,745.74/x
  3. Step 3: Cross multiply
    43,707.40x = 65,686.05 × 40,745.74
  4. Step 4: Simplify right side
    43,707.40x = 2,676,426,397.92
  5. Step 5: Solve for x
    x = 2,676,426,397.92/43,707.40
  6. Step 6: Final answer
    x = 61,235.08

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