Finding the Fourth Proportional to 2,723.52, 4,082.82 and 991.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723.52 : 4,082.82 = 991.74 : x
2. Step 2: Convert to fraction form
   2,723.52/4,082.82 = 991.74/x
3. Step 3: Cross multiply
   2,723.52x = 4,082.82 × 991.74
4. Step 4: Simplify right side
   2,723.52x = 4,049,095.91
5. Step 5: Solve for x
   x = 4,049,095.91/2,723.52
6. Step 6: Final answer
   x = 1,486.71