Finding the Fourth Proportional to 25,438.75, 35,107.57 and 14,111.89

Step by Step Solution

1. Step 1: Write the proportion equation
   25,438.75 : 35,107.57 = 14,111.89 : x
2. Step 2: Convert to fraction form
   25,438.75/35,107.57 = 14,111.89/x
3. Step 3: Cross multiply
   25,438.75x = 35,107.57 × 14,111.89
4. Step 4: Simplify right side
   25,438.75x = 495,434,253.78
5. Step 5: Solve for x
   x = 495,434,253.78/25,438.75
6. Step 6: Final answer
   x = 19,475.58