Finding the Fourth Proportional to 248,300.72, 372,159.36 and 114,899.24

Step by Step Solution

1. Step 1: Write the proportion equation
   248,300.72 : 372,159.36 = 114,899.24 : x
2. Step 2: Convert to fraction form
   248,300.72/372,159.36 = 114,899.24/x
3. Step 3: Cross multiply
   248,300.72x = 372,159.36 × 114,899.24
4. Step 4: Simplify right side
   248,300.72x = 42,760,827,622.89
5. Step 5: Solve for x
   x = 42,760,827,622.89/248,300.72
6. Step 6: Final answer
   x = 172,213.87