Finding the Fourth Proportional to 6,613.56, 9,126.42 and 3,629.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,613.56 : 9,126.42 = 3,629.40 : x
2. Step 2: Convert to fraction form
   6,613.56/9,126.42 = 3,629.40/x
3. Step 3: Cross multiply
   6,613.56x = 9,126.42 × 3,629.40
4. Step 4: Simplify right side
   6,613.56x = 33,123,428.75
5. Step 5: Solve for x
   x = 33,123,428.75/6,613.56
6. Step 6: Final answer
   x = 5,008.41