Finding the Fourth Proportional to 62,781.17, 86,643.72 and 41,272.02

Step by Step Solution

1. Step 1: Write the proportion equation
   62,781.17 : 86,643.72 = 41,272.02 : x
2. Step 2: Convert to fraction form
   62,781.17/86,643.72 = 41,272.02/x
3. Step 3: Cross multiply
   62,781.17x = 86,643.72 × 41,272.02
4. Step 4: Simplify right side
   62,781.17x = 3,575,961,344.71
5. Step 5: Solve for x
   x = 3,575,961,344.71/62,781.17
6. Step 6: Final answer
   x = 56,959.14