Finding the Fourth Proportional to 25,535.10, 35,227.98 and 18,445.98

Step by Step Solution

1. Step 1: Write the proportion equation
   25,535.10 : 35,227.98 = 18,445.98 : x
2. Step 2: Convert to fraction form
   25,535.10/35,227.98 = 18,445.98/x
3. Step 3: Cross multiply
   25,535.10x = 35,227.98 × 18,445.98
4. Step 4: Simplify right side
   25,535.10x = 649,814,614.52
5. Step 5: Solve for x
   x = 649,814,614.52/25,535.10
6. Step 6: Final answer
   x = 25,447.90