Finding the Fourth Proportional to 25,468.32, 35,148 and 14,139.12

Step by Step Solution

1. Step 1: Write the proportion equation
   25,468.32 : 35,148 = 14,139.12 : x
2. Step 2: Convert to fraction form
   25,468.32/35,148 = 14,139.12/x
3. Step 3: Cross multiply
   25,468.32x = 35,148 × 14,139.12
4. Step 4: Simplify right side
   25,468.32x = 496,961,789.76
5. Step 5: Solve for x
   x = 496,961,789.76/25,468.32
6. Step 6: Final answer
   x = 19,512.94