Finding the Fourth Proportional to 9,585.63, 13,227.89 and 5,393.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,585.63 : 13,227.89 = 5,393.79 : x
2. Step 2: Convert to fraction form
   9,585.63/13,227.89 = 5,393.79/x
3. Step 3: Cross multiply
   9,585.63x = 13,227.89 × 5,393.79
4. Step 4: Simplify right side
   9,585.63x = 71,348,433.83
5. Step 5: Solve for x
   x = 71,348,433.83/9,585.63
6. Step 6: Final answer
   x = 7,443.27