Finding the Fourth Proportional to 72,500.04, 99,992.34 and 59,902.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,500.04 : 99,992.34 = 59,902.92 : x
2. Step 2: Convert to fraction form
   72,500.04/99,992.34 = 59,902.92/x
3. Step 3: Cross multiply
   72,500.04x = 99,992.34 × 59,902.92
4. Step 4: Simplify right side
   72,500.04x = 5,989,833,143.63
5. Step 5: Solve for x
   x = 5,989,833,143.63/72,500.04
6. Step 6: Final answer
   x = 82,618.34