Finding the Fourth Proportional to 9,140.16, 12,613.56 and 5,362.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,140.16 : 12,613.56 = 5,362.44 : x
2. Step 2: Convert to fraction form
   9,140.16/12,613.56 = 5,362.44/x
3. Step 3: Cross multiply
   9,140.16x = 12,613.56 × 5,362.44
4. Step 4: Simplify right side
   9,140.16x = 67,639,458.69
5. Step 5: Solve for x
   x = 67,639,458.69/9,140.16
6. Step 6: Final answer
   x = 7,400.25