Finding the Fourth Proportional to 108,787.74, 150,088.59 and 71,083.86

Step by Step Solution

1. Step 1: Write the proportion equation
   108,787.74 : 150,088.59 = 71,083.86 : x
2. Step 2: Convert to fraction form
   108,787.74/150,088.59 = 71,083.86/x
3. Step 3: Cross multiply
   108,787.74x = 150,088.59 × 71,083.86
4. Step 4: Simplify right side
   108,787.74x = 10,668,876,319.16
5. Step 5: Solve for x
   x = 10,668,876,319.16/108,787.74
6. Step 6: Final answer
   x = 98,070.58