Finding the Fourth Proportional to 241,131.72, 361,757.52 and 72,648.24

Step by Step Solution

1. Step 1: Write the proportion equation
   241,131.72 : 361,757.52 = 72,648.24 : x
2. Step 2: Convert to fraction form
   241,131.72/361,757.52 = 72,648.24/x
3. Step 3: Cross multiply
   241,131.72x = 361,757.52 × 72,648.24
4. Step 4: Simplify right side
   241,131.72x = 26,281,047,134.76
5. Step 5: Solve for x
   x = 26,281,047,134.76/241,131.72
6. Step 6: Final answer
   x = 108,990.42