Finding the Fourth Proportional to 25,659.72, 35,409.06 and 14,481

Step by Step Solution

1. Step 1: Write the proportion equation
   25,659.72 : 35,409.06 = 14,481 : x
2. Step 2: Convert to fraction form
   25,659.72/35,409.06 = 14,481/x
3. Step 3: Cross multiply
   25,659.72x = 35,409.06 × 14,481
4. Step 4: Simplify right side
   25,659.72x = 512,758,597.86
5. Step 5: Solve for x
   x = 512,758,597.86/25,659.72
6. Step 6: Final answer
   x = 19,983.02