Finding the Fourth Proportional to 108,320.38, 149,479.32 and 59,921.04

Step by Step Solution

1. Step 1: Write the proportion equation
   108,320.38 : 149,479.32 = 59,921.04 : x
2. Step 2: Convert to fraction form
   108,320.38/149,479.32 = 59,921.04/x
3. Step 3: Cross multiply
   108,320.38x = 149,479.32 × 59,921.04
4. Step 4: Simplify right side
   108,320.38x = 8,956,956,312.89
5. Step 5: Solve for x
   x = 8,956,956,312.89/108,320.38
6. Step 6: Final answer
   x = 82,689.49