Finding the Fourth Proportional to 2,494.47, 3,741.89 and 764.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494.47 : 3,741.89 = 764.31 : x
2. Step 2: Convert to fraction form
   2,494.47/3,741.89 = 764.31/x
3. Step 3: Cross multiply
   2,494.47x = 3,741.89 × 764.31
4. Step 4: Simplify right side
   2,494.47x = 2,859,960.12
5. Step 5: Solve for x
   x = 2,859,960.12/2,494.47
6. Step 6: Final answer
   x = 1,146.52