Finding the Fourth Proportional to 2,725.72, 4,089.19 and 994.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.72 : 4,089.19 = 994.35 : x
2. Step 2: Convert to fraction form
   2,725.72/4,089.19 = 994.35/x
3. Step 3: Cross multiply
   2,725.72x = 4,089.19 × 994.35
4. Step 4: Simplify right side
   2,725.72x = 4,066,086.08
5. Step 5: Solve for x
   x = 4,066,086.08/2,725.72
6. Step 6: Final answer
   x = 1,491.75