Finding the Fourth Proportional to 108,123.12, 149,208.12 and 60,377.04

Step by Step Solution

1. Step 1: Write the proportion equation
   108,123.12 : 149,208.12 = 60,377.04 : x
2. Step 2: Convert to fraction form
   108,123.12/149,208.12 = 60,377.04/x
3. Step 3: Cross multiply
   108,123.12x = 149,208.12 × 60,377.04
4. Step 4: Simplify right side
   108,123.12x = 9,008,744,629.56
5. Step 5: Solve for x
   x = 9,008,744,629.56/108,123.12
6. Step 6: Final answer
   x = 83,319.32