Finding the Fourth Proportional to 41,387.50, 62,099.52 and 13,685.50

Step by Step Solution

1. Step 1: Write the proportion equation
   41,387.50 : 62,099.52 = 13,685.50 : x
2. Step 2: Convert to fraction form
   41,387.50/62,099.52 = 13,685.50/x
3. Step 3: Cross multiply
   41,387.50x = 62,099.52 × 13,685.50
4. Step 4: Simplify right side
   41,387.50x = 849,862,980.96
5. Step 5: Solve for x
   x = 849,862,980.96/41,387.50
6. Step 6: Final answer
   x = 20,534.29