Finding the Fourth Proportional to 9,500.28, 13,110.72 and 5,251.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,500.28 : 13,110.72 = 5,251.52 : x
2. Step 2: Convert to fraction form
   9,500.28/13,110.72 = 5,251.52/x
3. Step 3: Cross multiply
   9,500.28x = 13,110.72 × 5,251.52
4. Step 4: Simplify right side
   9,500.28x = 68,851,208.29
5. Step 5: Solve for x
   x = 68,851,208.29/9,500.28
6. Step 6: Final answer
   x = 7,247.28