Finding the Fourth Proportional to 23,488.57, 32,414.55 and 12,878.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,488.57 : 32,414.55 = 12,878.18 : x
2. Step 2: Convert to fraction form
   23,488.57/32,414.55 = 12,878.18/x
3. Step 3: Cross multiply
   23,488.57x = 32,414.55 × 12,878.18
4. Step 4: Simplify right side
   23,488.57x = 417,440,345.13
5. Step 5: Solve for x
   x = 417,440,345.13/23,488.57
6. Step 6: Final answer
   x = 17,772.06