Finding the Fourth Proportional to 2,883.07, 3,978.42 and 1,763.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,883.07 : 3,978.42 = 1,763.55 : x
2. Step 2: Convert to fraction form
   2,883.07/3,978.42 = 1,763.55/x
3. Step 3: Cross multiply
   2,883.07x = 3,978.42 × 1,763.55
4. Step 4: Simplify right side
   2,883.07x = 7,016,142.59
5. Step 5: Solve for x
   x = 7,016,142.59/2,883.07
6. Step 6: Final answer
   x = 2,433.57