Finding the Fourth Proportional to 9,513.18, 14,279.49 and 5,768.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513.18 : 14,279.49 = 5,768.55 : x
2. Step 2: Convert to fraction form
   9,513.18/14,279.49 = 5,768.55/x
3. Step 3: Cross multiply
   9,513.18x = 14,279.49 × 5,768.55
4. Step 4: Simplify right side
   9,513.18x = 82,371,952.04
5. Step 5: Solve for x
   x = 82,371,952.04/9,513.18
6. Step 6: Final answer
   x = 8,658.72