Finding the Fourth Proportional to 72,474.48, 99,968.76 and 52,360.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,474.48 : 99,968.76 = 52,360.92 : x
2. Step 2: Convert to fraction form
   72,474.48/99,968.76 = 52,360.92/x
3. Step 3: Cross multiply
   72,474.48x = 99,968.76 × 52,360.92
4. Step 4: Simplify right side
   72,474.48x = 5,234,456,244.86
5. Step 5: Solve for x
   x = 5,234,456,244.86/72,474.48
6. Step 6: Final answer
   x = 72,224.82