Finding the Fourth Proportional to 2,495.91, 3,743.73 and 764.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,495.91 : 3,743.73 = 764.55 : x
2. Step 2: Convert to fraction form
   2,495.91/3,743.73 = 764.55/x
3. Step 3: Cross multiply
   2,495.91x = 3,743.73 × 764.55
4. Step 4: Simplify right side
   2,495.91x = 2,862,268.77
5. Step 5: Solve for x
   x = 2,862,268.77/2,495.91
6. Step 6: Final answer
   x = 1,146.78