Finding the Fourth Proportional to 23,198.43, 32,012.94 and 12,587.85

Step by Step Solution

1. Step 1: Write the proportion equation
   23,198.43 : 32,012.94 = 12,587.85 : x
2. Step 2: Convert to fraction form
   23,198.43/32,012.94 = 12,587.85/x
3. Step 3: Cross multiply
   23,198.43x = 32,012.94 × 12,587.85
4. Step 4: Simplify right side
   23,198.43x = 402,974,086.78
5. Step 5: Solve for x
   x = 402,974,086.78/23,198.43
6. Step 6: Final answer
   x = 17,370.75