Finding the Fourth Proportional to 5,618.38, 8,429.04 and 5,006.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,618.38 : 8,429.04 = 5,006.38 : x
2. Step 2: Convert to fraction form
   5,618.38/8,429.04 = 5,006.38/x
3. Step 3: Cross multiply
   5,618.38x = 8,429.04 × 5,006.38
4. Step 4: Simplify right side
   5,618.38x = 42,198,977.28
5. Step 5: Solve for x
   x = 42,198,977.28/5,618.38
6. Step 6: Final answer
   x = 7,510.88