Finding the Fourth Proportional to 99,059.42, 148,626.12 and 39,911.87

Step by Step Solution

1. Step 1: Write the proportion equation
   99,059.42 : 148,626.12 = 39,911.87 : x
2. Step 2: Convert to fraction form
   99,059.42/148,626.12 = 39,911.87/x
3. Step 3: Cross multiply
   99,059.42x = 148,626.12 × 39,911.87
4. Step 4: Simplify right side
   99,059.42x = 5,931,946,380.04
5. Step 5: Solve for x
   x = 5,931,946,380.04/99,059.42
6. Step 6: Final answer
   x = 59,882.71