Finding the Fourth Proportional to 23,513.76, 32,443.92 and 13,572

Step by Step Solution

1. Step 1: Write the proportion equation
   23,513.76 : 32,443.92 = 13,572 : x
2. Step 2: Convert to fraction form
   23,513.76/32,443.92 = 13,572/x
3. Step 3: Cross multiply
   23,513.76x = 32,443.92 × 13,572
4. Step 4: Simplify right side
   23,513.76x = 440,328,882.24
5. Step 5: Solve for x
   x = 440,328,882.24/23,513.76
6. Step 6: Final answer
   x = 18,726.43