Finding the Fourth Proportional to 23,553.88, 32,502.78 and 12,943

Step by Step Solution

1. Step 1: Write the proportion equation
   23,553.88 : 32,502.78 = 12,943 : x
2. Step 2: Convert to fraction form
   23,553.88/32,502.78 = 12,943/x
3. Step 3: Cross multiply
   23,553.88x = 32,502.78 × 12,943
4. Step 4: Simplify right side
   23,553.88x = 420,683,481.54
5. Step 5: Solve for x
   x = 420,683,481.54/23,553.88
6. Step 6: Final answer
   x = 17,860.47