Finding the Fourth Proportional to 7,330.28, 10,120.37 and 5,648.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,330.28 : 10,120.37 = 5,648.49 : x
2. Step 2: Convert to fraction form
   7,330.28/10,120.37 = 5,648.49/x
3. Step 3: Cross multiply
   7,330.28x = 10,120.37 × 5,648.49
4. Step 4: Simplify right side
   7,330.28x = 57,164,780.50
5. Step 5: Solve for x
   x = 57,164,780.50/7,330.28
6. Step 6: Final answer
   x = 7,798.45