Finding the Fourth Proportional to 9,337.28, 12,884.65 and 5,358.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,337.28 : 12,884.65 = 5,358.31 : x
2. Step 2: Convert to fraction form
   9,337.28/12,884.65 = 5,358.31/x
3. Step 3: Cross multiply
   9,337.28x = 12,884.65 × 5,358.31
4. Step 4: Simplify right side
   9,337.28x = 69,039,871.12
5. Step 5: Solve for x
   x = 69,039,871.12/9,337.28
6. Step 6: Final answer
   x = 7,394.00