Finding the Fourth Proportional to 2,498.82, 3,748.29 and 767.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.82 : 3,748.29 = 767.45 : x
2. Step 2: Convert to fraction form
   2,498.82/3,748.29 = 767.45/x
3. Step 3: Cross multiply
   2,498.82x = 3,748.29 × 767.45
4. Step 4: Simplify right side
   2,498.82x = 2,876,606.42
5. Step 5: Solve for x
   x = 2,876,606.42/2,498.82
6. Step 6: Final answer
   x = 1,151.19