Finding the Fourth Proportional to 248,131.88, 372,234.72 and 115,025.58

Step by Step Solution

1. Step 1: Write the proportion equation
   248,131.88 : 372,234.72 = 115,025.58 : x
2. Step 2: Convert to fraction form
   248,131.88/372,234.72 = 115,025.58/x
3. Step 3: Cross multiply
   248,131.88x = 372,234.72 × 115,025.58
4. Step 4: Simplify right side
   248,131.88x = 42,816,514,564.14
5. Step 5: Solve for x
   x = 42,816,514,564.14/248,131.88
6. Step 6: Final answer
   x = 172,555.48