Finding the Fourth Proportional to 17,766.78, 24,521.67 and 10,218.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,766.78 : 24,521.67 = 10,218.30 : x
2. Step 2: Convert to fraction form
   17,766.78/24,521.67 = 10,218.30/x
3. Step 3: Cross multiply
   17,766.78x = 24,521.67 × 10,218.30
4. Step 4: Simplify right side
   17,766.78x = 250,569,780.56
5. Step 5: Solve for x
   x = 250,569,780.56/17,766.78
6. Step 6: Final answer
   x = 14,103.27