Finding the Fourth Proportional to 23,488.81, 32,414.51 and 12,879.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,488.81 : 32,414.51 = 12,879.12 : x
2. Step 2: Convert to fraction form
   23,488.81/32,414.51 = 12,879.12/x
3. Step 3: Cross multiply
   23,488.81x = 32,414.51 × 12,879.12
4. Step 4: Simplify right side
   23,488.81x = 417,470,517.78
5. Step 5: Solve for x
   x = 417,470,517.78/23,488.81
6. Step 6: Final answer
   x = 17,773.17