Finding the Fourth Proportional to 172,656.72, 238,248.72 and 96,180.12

Step by Step Solution

1. Step 1: Write the proportion equation
   172,656.72 : 238,248.72 = 96,180.12 : x
2. Step 2: Convert to fraction form
   172,656.72/238,248.72 = 96,180.12/x
3. Step 3: Cross multiply
   172,656.72x = 238,248.72 × 96,180.12
4. Step 4: Simplify right side
   172,656.72x = 22,914,790,479.45
5. Step 5: Solve for x
   x = 22,914,790,479.45/172,656.72
6. Step 6: Final answer
   x = 132,718.79