Finding the Fourth Proportional to 108,152.28, 149,248.56 and 60,406.29

Step by Step Solution

1. Step 1: Write the proportion equation
   108,152.28 : 149,248.56 = 60,406.29 : x
2. Step 2: Convert to fraction form
   108,152.28/149,248.56 = 60,406.29/x
3. Step 3: Cross multiply
   108,152.28x = 149,248.56 × 60,406.29
4. Step 4: Simplify right side
   108,152.28x = 9,015,551,797.44
5. Step 5: Solve for x
   x = 9,015,551,797.44/108,152.28
6. Step 6: Final answer
   x = 83,359.79