Finding the Fourth Proportional to 2,782.27, 3,839.55 and 1,603.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,782.27 : 3,839.55 = 1,603.34 : x
2. Step 2: Convert to fraction form
   2,782.27/3,839.55 = 1,603.34/x
3. Step 3: Cross multiply
   2,782.27x = 3,839.55 × 1,603.34
4. Step 4: Simplify right side
   2,782.27x = 6,156,123.90
5. Step 5: Solve for x
   x = 6,156,123.90/2,782.27
6. Step 6: Final answer
   x = 2,212.62