Finding the Fourth Proportional to 9,585.12, 13,227.12 and 5,393.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,585.12 : 13,227.12 = 5,393.28 : x
2. Step 2: Convert to fraction form
   9,585.12/13,227.12 = 5,393.28/x
3. Step 3: Cross multiply
   9,585.12x = 13,227.12 × 5,393.28
4. Step 4: Simplify right side
   9,585.12x = 71,337,561.75
5. Step 5: Solve for x
   x = 71,337,561.75/9,585.12
6. Step 6: Final answer
   x = 7,442.53