Finding the Fourth Proportional to 62,356.89, 86,080.83 and 39,726.91

Step by Step Solution

1. Step 1: Write the proportion equation
   62,356.89 : 86,080.83 = 39,726.91 : x
2. Step 2: Convert to fraction form
   62,356.89/86,080.83 = 39,726.91/x
3. Step 3: Cross multiply
   62,356.89x = 86,080.83 × 39,726.91
4. Step 4: Simplify right side
   62,356.89x = 3,419,725,386.14
5. Step 5: Solve for x
   x = 3,419,725,386.14/62,356.89
6. Step 6: Final answer
   x = 54,841.18