Finding the Fourth Proportional to 23,411.50, 32,307.87 and 12,801.21

Step by Step Solution

1. Step 1: Write the proportion equation
   23,411.50 : 32,307.87 = 12,801.21 : x
2. Step 2: Convert to fraction form
   23,411.50/32,307.87 = 12,801.21/x
3. Step 3: Cross multiply
   23,411.50x = 32,307.87 × 12,801.21
4. Step 4: Simplify right side
   23,411.50x = 413,579,828.52
5. Step 5: Solve for x
   x = 413,579,828.52/23,411.50
6. Step 6: Final answer
   x = 17,665.67