Finding the Fourth Proportional to 2,499.52, 3,748.74 and 767.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.52 : 3,748.74 = 767.74 : x
2. Step 2: Convert to fraction form
   2,499.52/3,748.74 = 767.74/x
3. Step 3: Cross multiply
   2,499.52x = 3,748.74 × 767.74
4. Step 4: Simplify right side
   2,499.52x = 2,878,057.65
5. Step 5: Solve for x
   x = 2,878,057.65/2,499.52
6. Step 6: Final answer
   x = 1,151.44