Finding the Fourth Proportional to 9,530.28, 13,151.16 and 5,337.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,530.28 : 13,151.16 = 5,337.72 : x
2. Step 2: Convert to fraction form
   9,530.28/13,151.16 = 5,337.72/x
3. Step 3: Cross multiply
   9,530.28x = 13,151.16 × 5,337.72
4. Step 4: Simplify right side
   9,530.28x = 70,197,209.76
5. Step 5: Solve for x
   x = 70,197,209.76/9,530.28
6. Step 6: Final answer
   x = 7,365.70