Finding the Fourth Proportional to 72,113, 99,451.30 and 60,053.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,113 : 99,451.30 = 60,053.42 : x
2. Step 2: Convert to fraction form
   72,113/99,451.30 = 60,053.42/x
3. Step 3: Cross multiply
   72,113x = 99,451.30 × 60,053.42
4. Step 4: Simplify right side
   72,113x = 5,972,389,890.92
5. Step 5: Solve for x
   x = 5,972,389,890.92/72,113
6. Step 6: Final answer
   x = 82,819.88