Finding the Fourth Proportional to 215,796.72, 297,793.72 and 125,147.04

Step by Step Solution

1. Step 1: Write the proportion equation
   215,796.72 : 297,793.72 = 125,147.04 : x
2. Step 2: Convert to fraction form
   215,796.72/297,793.72 = 125,147.04/x
3. Step 3: Cross multiply
   215,796.72x = 297,793.72 × 125,147.04
4. Step 4: Simplify right side
   215,796.72x = 37,268,002,588.59
5. Step 5: Solve for x
   x = 37,268,002,588.59/215,796.72
6. Step 6: Final answer
   x = 172,699.58