Finding the Fourth Proportional to 72,132.93, 99,478.72 and 60,073.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,132.93 : 99,478.72 = 60,073.24 : x
2. Step 2: Convert to fraction form
   72,132.93/99,478.72 = 60,073.24/x
3. Step 3: Cross multiply
   72,132.93x = 99,478.72 × 60,073.24
4. Step 4: Simplify right side
   72,132.93x = 5,976,009,021.45
5. Step 5: Solve for x
   x = 5,976,009,021.45/72,132.93
6. Step 6: Final answer
   x = 82,847.17