Finding the Fourth Proportional to 25,401.63, 35,054.81 and 14,499.55

Step by Step Solution

1. Step 1: Write the proportion equation
   25,401.63 : 35,054.81 = 14,499.55 : x
2. Step 2: Convert to fraction form
   25,401.63/35,054.81 = 14,499.55/x
3. Step 3: Cross multiply
   25,401.63x = 35,054.81 × 14,499.55
4. Step 4: Simplify right side
   25,401.63x = 508,278,831.31
5. Step 5: Solve for x
   x = 508,278,831.31/25,401.63
6. Step 6: Final answer
   x = 20,009.69