Finding the Fourth Proportional to 137,111.58, 205,642.15 and 62,213.71

Step by Step Solution

1. Step 1: Write the proportion equation
   137,111.58 : 205,642.15 = 62,213.71 : x
2. Step 2: Convert to fraction form
   137,111.58/205,642.15 = 62,213.71/x
3. Step 3: Cross multiply
   137,111.58x = 205,642.15 × 62,213.71
4. Step 4: Simplify right side
   137,111.58x = 12,793,761,083.88
5. Step 5: Solve for x
   x = 12,793,761,083.88/137,111.58
6. Step 6: Final answer
   x = 93,309.12