Finding the Fourth Proportional to 23,487.10, 32,414.24 and 12,878.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,487.10 : 32,414.24 = 12,878.80 : x
2. Step 2: Convert to fraction form
   23,487.10/32,414.24 = 12,878.80/x
3. Step 3: Cross multiply
   23,487.10x = 32,414.24 × 12,878.80
4. Step 4: Simplify right side
   23,487.10x = 417,456,514.11
5. Step 5: Solve for x
   x = 417,456,514.11/23,487.10
6. Step 6: Final answer
   x = 17,773.86