Finding the Fourth Proportional to 23,289.33, 32,139.27 and 12,679.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,289.33 : 32,139.27 = 12,679.04 : x
2. Step 2: Convert to fraction form
   23,289.33/32,139.27 = 12,679.04/x
3. Step 3: Cross multiply
   23,289.33x = 32,139.27 × 12,679.04
4. Step 4: Simplify right side
   23,289.33x = 407,495,089.90
5. Step 5: Solve for x
   x = 407,495,089.90/23,289.33
6. Step 6: Final answer
   x = 17,497.07