Finding the Fourth Proportional to 5,618.72, 8,429.88 and 2,697.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,618.72 : 8,429.88 = 2,697.23 : x
2. Step 2: Convert to fraction form
   5,618.72/8,429.88 = 2,697.23/x
3. Step 3: Cross multiply
   5,618.72x = 8,429.88 × 2,697.23
4. Step 4: Simplify right side
   5,618.72x = 22,737,325.23
5. Step 5: Solve for x
   x = 22,737,325.23/5,618.72
6. Step 6: Final answer
   x = 4,046.71