Finding the Fourth Proportional to 25,432.78, 35,099.31 and 14,105.83

Step by Step Solution

1. Step 1: Write the proportion equation
   25,432.78 : 35,099.31 = 14,105.83 : x
2. Step 2: Convert to fraction form
   25,432.78/35,099.31 = 14,105.83/x
3. Step 3: Cross multiply
   25,432.78x = 35,099.31 × 14,105.83
4. Step 4: Simplify right side
   25,432.78x = 495,104,899.98
5. Step 5: Solve for x
   x = 495,104,899.98/25,432.78
6. Step 6: Final answer
   x = 19,467.20