Finding the Fourth Proportional to 108,355.46, 149,499.41 and 62,406.59

Step by Step Solution

1. Step 1: Write the proportion equation
   108,355.46 : 149,499.41 = 62,406.59 : x
2. Step 2: Convert to fraction form
   108,355.46/149,499.41 = 62,406.59/x
3. Step 3: Cross multiply
   108,355.46x = 149,499.41 × 62,406.59
4. Step 4: Simplify right side
   108,355.46x = 9,329,748,385.11
5. Step 5: Solve for x
   x = 9,329,748,385.11/108,355.46
6. Step 6: Final answer
   x = 86,103.17