Finding the Fourth Proportional to 2,493.72, 3,739.62 and 849.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.72 : 3,739.62 = 849.96 : x
2. Step 2: Convert to fraction form
   2,493.72/3,739.62 = 849.96/x
3. Step 3: Cross multiply
   2,493.72x = 3,739.62 × 849.96
4. Step 4: Simplify right side
   2,493.72x = 3,178,527.42
5. Step 5: Solve for x
   x = 3,178,527.42/2,493.72
6. Step 6: Final answer
   x = 1,274.61