Finding the Fourth Proportional to 9,426.28, 13,005.94 and 5,338.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.28 : 13,005.94 = 5,338.15 : x
2. Step 2: Convert to fraction form
   9,426.28/13,005.94 = 5,338.15/x
3. Step 3: Cross multiply
   9,426.28x = 13,005.94 × 5,338.15
4. Step 4: Simplify right side
   9,426.28x = 69,427,658.61
5. Step 5: Solve for x
   x = 69,427,658.61/9,426.28
6. Step 6: Final answer
   x = 7,365.33