Finding the Fourth Proportional to 9,049.76, 12,488.81 and 5,272.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,049.76 : 12,488.81 = 5,272.83 : x
2. Step 2: Convert to fraction form
   9,049.76/12,488.81 = 5,272.83/x
3. Step 3: Cross multiply
   9,049.76x = 12,488.81 × 5,272.83
4. Step 4: Simplify right side
   9,049.76x = 65,851,372.03
5. Step 5: Solve for x
   x = 65,851,372.03/9,049.76
6. Step 6: Final answer
   x = 7,276.59