Finding the Fourth Proportional to 25,557.57, 35,274.69 and 14,949.81

Step by Step Solution

1. Step 1: Write the proportion equation
   25,557.57 : 35,274.69 = 14,949.81 : x
2. Step 2: Convert to fraction form
   25,557.57/35,274.69 = 14,949.81/x
3. Step 3: Cross multiply
   25,557.57x = 35,274.69 × 14,949.81
4. Step 4: Simplify right side
   25,557.57x = 527,349,913.31
5. Step 5: Solve for x
   x = 527,349,913.31/25,557.57
6. Step 6: Final answer
   x = 20,633.80