Finding the Fourth Proportional to 25,439.10, 35,098.74 and 14,826.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,439.10 : 35,098.74 = 14,826.72 : x
2. Step 2: Convert to fraction form
   25,439.10/35,098.74 = 14,826.72/x
3. Step 3: Cross multiply
   25,439.10x = 35,098.74 × 14,826.72
4. Step 4: Simplify right side
   25,439.10x = 520,399,190.33
5. Step 5: Solve for x
   x = 520,399,190.33/25,439.10
6. Step 6: Final answer
   x = 20,456.67