Finding the Fourth Proportional to 2,348.72, 3,242.52 and 1,603.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,348.72 : 3,242.52 = 1,603.78 : x
2. Step 2: Convert to fraction form
   2,348.72/3,242.52 = 1,603.78/x
3. Step 3: Cross multiply
   2,348.72x = 3,242.52 × 1,603.78
4. Step 4: Simplify right side
   2,348.72x = 5,200,288.73
5. Step 5: Solve for x
   x = 5,200,288.73/2,348.72
6. Step 6: Final answer
   x = 2,214.09