Finding the Fourth Proportional to 7,648.42, 10,560.03 and 5,134.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,648.42 : 10,560.03 = 5,134.30 : x
2. Step 2: Convert to fraction form
   7,648.42/10,560.03 = 5,134.30/x
3. Step 3: Cross multiply
   7,648.42x = 10,560.03 × 5,134.30
4. Step 4: Simplify right side
   7,648.42x = 54,218,362.03
5. Step 5: Solve for x
   x = 54,218,362.03/7,648.42
6. Step 6: Final answer
   x = 7,088.83