Finding the Fourth Proportional to 23,423.20, 32,339.61 and 13,866.17

Step by Step Solution

1. Step 1: Write the proportion equation
   23,423.20 : 32,339.61 = 13,866.17 : x
2. Step 2: Convert to fraction form
   23,423.20/32,339.61 = 13,866.17/x
3. Step 3: Cross multiply
   23,423.20x = 32,339.61 × 13,866.17
4. Step 4: Simplify right side
   23,423.20x = 448,426,407.29
5. Step 5: Solve for x
   x = 448,426,407.29/23,423.20
6. Step 6: Final answer
   x = 19,144.54