Finding the Fourth Proportional to 9,362.52, 12,918.96 and 5,382.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.52 : 12,918.96 = 5,382.18 : x
2. Step 2: Convert to fraction form
   9,362.52/12,918.96 = 5,382.18/x
3. Step 3: Cross multiply
   9,362.52x = 12,918.96 × 5,382.18
4. Step 4: Simplify right side
   9,362.52x = 69,532,168.13
5. Step 5: Solve for x
   x = 69,532,168.13/9,362.52
6. Step 6: Final answer
   x = 7,426.65