Finding the Fourth Proportional to 18,191.22, 25,103.71 and 10,233.49

Step by Step Solution

1. Step 1: Write the proportion equation
   18,191.22 : 25,103.71 = 10,233.49 : x
2. Step 2: Convert to fraction form
   18,191.22/25,103.71 = 10,233.49/x
3. Step 3: Cross multiply
   18,191.22x = 25,103.71 × 10,233.49
4. Step 4: Simplify right side
   18,191.22x = 256,898,565.25
5. Step 5: Solve for x
   x = 256,898,565.25/18,191.22
6. Step 6: Final answer
   x = 14,122.12