Finding the Fourth Proportional to 9,332.34, 12,880.52 and 5,356.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,332.34 : 12,880.52 = 5,356.18 : x
2. Step 2: Convert to fraction form
   9,332.34/12,880.52 = 5,356.18/x
3. Step 3: Cross multiply
   9,332.34x = 12,880.52 × 5,356.18
4. Step 4: Simplify right side
   9,332.34x = 68,990,383.61
5. Step 5: Solve for x
   x = 68,990,383.61/9,332.34
6. Step 6: Final answer
   x = 7,392.61