Finding the Fourth Proportional to 99,650.94, 137,536.02 and 59,388

Step by Step Solution

1. Step 1: Write the proportion equation
   99,650.94 : 137,536.02 = 59,388 : x
2. Step 2: Convert to fraction form
   99,650.94/137,536.02 = 59,388/x
3. Step 3: Cross multiply
   99,650.94x = 137,536.02 × 59,388
4. Step 4: Simplify right side
   99,650.94x = 8,167,989,155.76
5. Step 5: Solve for x
   x = 8,167,989,155.76/99,650.94
6. Step 6: Final answer
   x = 81,966.00