Finding the Fourth Proportional to 2,499.04, 3,748.42 and 767.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.04 : 3,748.42 = 767.68 : x
2. Step 2: Convert to fraction form
   2,499.04/3,748.42 = 767.68/x
3. Step 3: Cross multiply
   2,499.04x = 3,748.42 × 767.68
4. Step 4: Simplify right side
   2,499.04x = 2,877,587.07
5. Step 5: Solve for x
   x = 2,877,587.07/2,499.04
6. Step 6: Final answer
   x = 1,151.48