Finding the Fourth Proportional to 7,062.42, 9,756.30 and 5,644.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,062.42 : 9,756.30 = 5,644.28 : x
2. Step 2: Convert to fraction form
   7,062.42/9,756.30 = 5,644.28/x
3. Step 3: Cross multiply
   7,062.42x = 9,756.30 × 5,644.28
4. Step 4: Simplify right side
   7,062.42x = 55,067,302.77
5. Step 5: Solve for x
   x = 55,067,302.77/7,062.42
6. Step 6: Final answer
   x = 7,797.23