Finding the Fourth Proportional to 72,087.96, 99,489.84 and 59,967.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,087.96 : 99,489.84 = 59,967.04 : x
2. Step 2: Convert to fraction form
   72,087.96/99,489.84 = 59,967.04/x
3. Step 3: Cross multiply
   72,087.96x = 99,489.84 × 59,967.04
4. Step 4: Simplify right side
   72,087.96x = 5,966,111,214.87
5. Step 5: Solve for x
   x = 5,966,111,214.87/72,087.96
6. Step 6: Final answer
   x = 82,761.55