Finding the Fourth Proportional to 72,113.50, 99,451.99 and 60,053.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,113.50 : 99,451.99 = 60,053.92 : x
2. Step 2: Convert to fraction form
   72,113.50/99,451.99 = 60,053.92/x
3. Step 3: Cross multiply
   72,113.50x = 99,451.99 × 60,053.92
4. Step 4: Simplify right side
   72,113.50x = 5,972,481,851.30
5. Step 5: Solve for x
   x = 5,972,481,851.30/72,113.50
6. Step 6: Final answer
   x = 82,820.58