Finding the Fourth Proportional to 3,757.33, 5,661.35 and 3,113.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,757.33 : 5,661.35 = 3,113.53 : x
2. Step 2: Convert to fraction form
   3,757.33/5,661.35 = 3,113.53/x
3. Step 3: Cross multiply
   3,757.33x = 5,661.35 × 3,113.53
4. Step 4: Simplify right side
   3,757.33x = 17,626,776.70
5. Step 5: Solve for x
   x = 17,626,776.70/3,757.33
6. Step 6: Final answer
   x = 4,691.31