Finding the Fourth Proportional to 99,059.67, 148,626.50 and 39,912.12

Step by Step Solution

1. Step 1: Write the proportion equation
   99,059.67 : 148,626.50 = 39,912.12 : x
2. Step 2: Convert to fraction form
   99,059.67/148,626.50 = 39,912.12/x
3. Step 3: Cross multiply
   99,059.67x = 148,626.50 × 39,912.12
4. Step 4: Simplify right side
   99,059.67x = 5,931,998,503.62
5. Step 5: Solve for x
   x = 5,931,998,503.62/99,059.67
6. Step 6: Final answer
   x = 59,883.08