Finding the Fourth Proportional to 23,470.41, 32,389.92 and 12,860.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,470.41 : 32,389.92 = 12,860.72 : x
2. Step 2: Convert to fraction form
   23,470.41/32,389.92 = 12,860.72/x
3. Step 3: Cross multiply
   23,470.41x = 32,389.92 × 12,860.72
4. Step 4: Simplify right side
   23,470.41x = 416,557,772.92
5. Step 5: Solve for x
   x = 416,557,772.92/23,470.41
6. Step 6: Final answer
   x = 17,748.21