Finding the Fourth Proportional to 23,509.31, 32,441.76 and 12,898.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,509.31 : 32,441.76 = 12,898.71 : x
2. Step 2: Convert to fraction form
   23,509.31/32,441.76 = 12,898.71/x
3. Step 3: Cross multiply
   23,509.31x = 32,441.76 × 12,898.71
4. Step 4: Simplify right side
   23,509.31x = 418,456,854.13
5. Step 5: Solve for x
   x = 418,456,854.13/23,509.31
6. Step 6: Final answer
   x = 17,799.63