Finding the Fourth Proportional to 2,494.72, 3,739.76 and 850.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494.72 : 3,739.76 = 850.13 : x
2. Step 2: Convert to fraction form
   2,494.72/3,739.76 = 850.13/x
3. Step 3: Cross multiply
   2,494.72x = 3,739.76 × 850.13
4. Step 4: Simplify right side
   2,494.72x = 3,179,259.22
5. Step 5: Solve for x
   x = 3,179,259.22/2,494.72
6. Step 6: Final answer
   x = 1,274.40