Finding the Fourth Proportional to 108,569, 149,807.72 and 68,254.20

Step by Step Solution

1. Step 1: Write the proportion equation
   108,569 : 149,807.72 = 68,254.20 : x
2. Step 2: Convert to fraction form
   108,569/149,807.72 = 68,254.20/x
3. Step 3: Cross multiply
   108,569x = 149,807.72 × 68,254.20
4. Step 4: Simplify right side
   108,569x = 10,225,006,082.42
5. Step 5: Solve for x
   x = 10,225,006,082.42/108,569
6. Step 6: Final answer
   x = 94,179.79