Finding the Fourth Proportional to 17,996.78, 24,801.18 and 12,952.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,996.78 : 24,801.18 = 12,952.10 : x
2. Step 2: Convert to fraction form
   17,996.78/24,801.18 = 12,952.10/x
3. Step 3: Cross multiply
   17,996.78x = 24,801.18 × 12,952.10
4. Step 4: Simplify right side
   17,996.78x = 321,227,363.48
5. Step 5: Solve for x
   x = 321,227,363.48/17,996.78
6. Step 6: Final answer
   x = 17,849.16