Finding the Fourth Proportional to 23,111.52, 31,893.15 and 14,618.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,111.52 : 31,893.15 = 14,618.28 : x
2. Step 2: Convert to fraction form
   23,111.52/31,893.15 = 14,618.28/x
3. Step 3: Cross multiply
   23,111.52x = 31,893.15 × 14,618.28
4. Step 4: Simplify right side
   23,111.52x = 466,222,996.78
5. Step 5: Solve for x
   x = 466,222,996.78/23,111.52
6. Step 6: Final answer
   x = 20,172.75