Finding the Fourth Proportional to 137,120.31, 205,706.18 and 62,245.69

Step by Step Solution

1. Step 1: Write the proportion equation
   137,120.31 : 205,706.18 = 62,245.69 : x
2. Step 2: Convert to fraction form
   137,120.31/205,706.18 = 62,245.69/x
3. Step 3: Cross multiply
   137,120.31x = 205,706.18 × 62,245.69
4. Step 4: Simplify right side
   137,120.31x = 12,804,322,752.71
5. Step 5: Solve for x
   x = 12,804,322,752.71/137,120.31
6. Step 6: Final answer
   x = 93,380.21