Finding the Fourth Proportional to 9,748.05, 13,452.28 and 5,271.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,748.05 : 13,452.28 = 5,271.79 : x
2. Step 2: Convert to fraction form
   9,748.05/13,452.28 = 5,271.79/x
3. Step 3: Cross multiply
   9,748.05x = 13,452.28 × 5,271.79
4. Step 4: Simplify right side
   9,748.05x = 70,917,501.56
5. Step 5: Solve for x
   x = 70,917,501.56/9,748.05
6. Step 6: Final answer
   x = 7,275.04