Finding the Fourth Proportional to 80,758.50, 121,142.61 and 25,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,758.50 : 121,142.61 = 25,354.50 : x
2. Step 2: Convert to fraction form
   80,758.50/121,142.61 = 25,354.50/x
3. Step 3: Cross multiply
   80,758.50x = 121,142.61 × 25,354.50
4. Step 4: Simplify right side
   80,758.50x = 3,071,510,305.25
5. Step 5: Solve for x
   x = 3,071,510,305.25/80,758.50
6. Step 6: Final answer
   x = 38,033.28