Finding the Fourth Proportional to 23,479.38, 32,401.98 and 12,868.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,479.38 : 32,401.98 = 12,868.74 : x
2. Step 2: Convert to fraction form
   23,479.38/32,401.98 = 12,868.74/x
3. Step 3: Cross multiply
   23,479.38x = 32,401.98 × 12,868.74
4. Step 4: Simplify right side
   23,479.38x = 416,972,656.11
5. Step 5: Solve for x
   x = 416,972,656.11/23,479.38
6. Step 6: Final answer
   x = 17,759.10