Finding the Fourth Proportional to 2,488.88, 3,733.38 and 757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.88 : 3,733.38 = 757.50 : x
2. Step 2: Convert to fraction form
   2,488.88/3,733.38 = 757.50/x
3. Step 3: Cross multiply
   2,488.88x = 3,733.38 × 757.50
4. Step 4: Simplify right side
   2,488.88x = 2,828,035.35
5. Step 5: Solve for x
   x = 2,828,035.35/2,488.88
6. Step 6: Final answer
   x = 1,136.27