Finding the Fourth Proportional to 2,883.18, 3,978.81 and 1,704.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,883.18 : 3,978.81 = 1,704.30 : x
2. Step 2: Convert to fraction form
   2,883.18/3,978.81 = 1,704.30/x
3. Step 3: Cross multiply
   2,883.18x = 3,978.81 × 1,704.30
4. Step 4: Simplify right side
   2,883.18x = 6,781,085.88
5. Step 5: Solve for x
   x = 6,781,085.88/2,883.18
6. Step 6: Final answer
   x = 2,351.95