Finding the Fourth Proportional to 9,585.30, 13,227.39 and 5,392.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,585.30 : 13,227.39 = 5,392.74 : x
2. Step 2: Convert to fraction form
   9,585.30/13,227.39 = 5,392.74/x
3. Step 3: Cross multiply
   9,585.30x = 13,227.39 × 5,392.74
4. Step 4: Simplify right side
   9,585.30x = 71,331,875.15
5. Step 5: Solve for x
   x = 71,331,875.15/9,585.30
6. Step 6: Final answer
   x = 7,441.80