Finding the Fourth Proportional to 23,288.76, 32,143.68 and 13,862.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,288.76 : 32,143.68 = 13,862.88 : x
2. Step 2: Convert to fraction form
   23,288.76/32,143.68 = 13,862.88/x
3. Step 3: Cross multiply
   23,288.76x = 32,143.68 × 13,862.88
4. Step 4: Simplify right side
   23,288.76x = 445,603,978.60
5. Step 5: Solve for x
   x = 445,603,978.60/23,288.76
6. Step 6: Final answer
   x = 19,133.86