Finding the Fourth Proportional to 9,292.87, 12,818.49 and 5,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,292.87 : 12,818.49 = 5,513.50 : x
2. Step 2: Convert to fraction form
   9,292.87/12,818.49 = 5,513.50/x
3. Step 3: Cross multiply
   9,292.87x = 12,818.49 × 5,513.50
4. Step 4: Simplify right side
   9,292.87x = 70,674,744.62
5. Step 5: Solve for x
   x = 70,674,744.62/9,292.87
6. Step 6: Final answer
   x = 7,605.27