Finding the Fourth Proportional to 25,111.37, 34,650.69 and 14,900.78

Step by Step Solution

1. Step 1: Write the proportion equation
   25,111.37 : 34,650.69 = 14,900.78 : x
2. Step 2: Convert to fraction form
   25,111.37/34,650.69 = 14,900.78/x
3. Step 3: Cross multiply
   25,111.37x = 34,650.69 × 14,900.78
4. Step 4: Simplify right side
   25,111.37x = 516,322,135.28
5. Step 5: Solve for x
   x = 516,322,135.28/25,111.37
6. Step 6: Final answer
   x = 20,561.29