Finding the Fourth Proportional to 2,488.89, 3,733.29 and 757.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.89 : 3,733.29 = 757.47 : x
2. Step 2: Convert to fraction form
   2,488.89/3,733.29 = 757.47/x
3. Step 3: Cross multiply
   2,488.89x = 3,733.29 × 757.47
4. Step 4: Simplify right side
   2,488.89x = 2,827,855.18
5. Step 5: Solve for x
   x = 2,827,855.18/2,488.89
6. Step 6: Final answer
   x = 1,136.19