Finding the Fourth Proportional to 9,426.48, 13,008.20 and 5,177.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.48 : 13,008.20 = 5,177.52 : x
2. Step 2: Convert to fraction form
   9,426.48/13,008.20 = 5,177.52/x
3. Step 3: Cross multiply
   9,426.48x = 13,008.20 × 5,177.52
4. Step 4: Simplify right side
   9,426.48x = 67,350,189.78
5. Step 5: Solve for x
   x = 67,350,189.78/9,426.48
6. Step 6: Final answer
   x = 7,144.79