Finding the Fourth Proportional to 21,454.29, 32,176.31 and 7,414.81

Step by Step Solution

1. Step 1: Write the proportion equation
   21,454.29 : 32,176.31 = 7,414.81 : x
2. Step 2: Convert to fraction form
   21,454.29/32,176.31 = 7,414.81/x
3. Step 3: Cross multiply
   21,454.29x = 32,176.31 × 7,414.81
4. Step 4: Simplify right side
   21,454.29x = 238,581,287.05
5. Step 5: Solve for x
   x = 238,581,287.05/21,454.29
6. Step 6: Final answer
   x = 11,120.45