Finding the Fourth Proportional to 23,016.88, 31,761.04 and 12,943

Step by Step Solution

1. Step 1: Write the proportion equation
   23,016.88 : 31,761.04 = 12,943 : x
2. Step 2: Convert to fraction form
   23,016.88/31,761.04 = 12,943/x
3. Step 3: Cross multiply
   23,016.88x = 31,761.04 × 12,943
4. Step 4: Simplify right side
   23,016.88x = 411,083,140.72
5. Step 5: Solve for x
   x = 411,083,140.72/23,016.88
6. Step 6: Final answer
   x = 17,860.07