Finding the Fourth Proportional to 7,648.13, 10,554.84 and 5,756.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,648.13 : 10,554.84 = 5,756.31 : x
2. Step 2: Convert to fraction form
   7,648.13/10,554.84 = 5,756.31/x
3. Step 3: Cross multiply
   7,648.13x = 10,554.84 × 5,756.31
4. Step 4: Simplify right side
   7,648.13x = 60,756,931.04
5. Step 5: Solve for x
   x = 60,756,931.04/7,648.13
6. Step 6: Final answer
   x = 7,944.02