Finding the Fourth Proportional to 25,443.60, 35,116.38 and 14,116.74

Step by Step Solution

1. Step 1: Write the proportion equation
   25,443.60 : 35,116.38 = 14,116.74 : x
2. Step 2: Convert to fraction form
   25,443.60/35,116.38 = 14,116.74/x
3. Step 3: Cross multiply
   25,443.60x = 35,116.38 × 14,116.74
4. Step 4: Simplify right side
   25,443.60x = 495,728,884.95
5. Step 5: Solve for x
   x = 495,728,884.95/25,443.60
6. Step 6: Final answer
   x = 19,483.44