Finding the Fourth Proportional to 72,498.24, 99,997.20 and 59,069.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,498.24 : 99,997.20 = 59,069.52 : x
2. Step 2: Convert to fraction form
   72,498.24/99,997.20 = 59,069.52/x
3. Step 3: Cross multiply
   72,498.24x = 99,997.20 × 59,069.52
4. Step 4: Simplify right side
   72,498.24x = 5,906,786,605.34
5. Step 5: Solve for x
   x = 5,906,786,605.34/72,498.24
6. Step 6: Final answer
   x = 81,474.90