Finding the Fourth Proportional to 9,293.04, 12,818.55 and 5,513.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,293.04 : 12,818.55 = 5,513.53 : x
2. Step 2: Convert to fraction form
   9,293.04/12,818.55 = 5,513.53/x
3. Step 3: Cross multiply
   9,293.04x = 12,818.55 × 5,513.53
4. Step 4: Simplify right side
   9,293.04x = 70,675,395.89
5. Step 5: Solve for x
   x = 70,675,395.89/9,293.04
6. Step 6: Final answer
   x = 7,605.20