Finding the Fourth Proportional to 9,426.28, 13,008.24 and 5,234.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.28 : 13,008.24 = 5,234.50 : x
2. Step 2: Convert to fraction form
   9,426.28/13,008.24 = 5,234.50/x
3. Step 3: Cross multiply
   9,426.28x = 13,008.24 × 5,234.50
4. Step 4: Simplify right side
   9,426.28x = 68,091,632.28
5. Step 5: Solve for x
   x = 68,091,632.28/9,426.28
6. Step 6: Final answer
   x = 7,223.60