Finding the Fourth Proportional to 17,876.82, 24,668.88 and 9,918.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,876.82 : 24,668.88 = 9,918.56 : x
2. Step 2: Convert to fraction form
   17,876.82/24,668.88 = 9,918.56/x
3. Step 3: Cross multiply
   17,876.82x = 24,668.88 × 9,918.56
4. Step 4: Simplify right side
   17,876.82x = 244,679,766.41
5. Step 5: Solve for x
   x = 244,679,766.41/17,876.82
6. Step 6: Final answer
   x = 13,686.98