Finding the Fourth Proportional to 2,818.32, 3,889.22 and 1,559.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818.32 : 3,889.22 = 1,559.34 : x
2. Step 2: Convert to fraction form
   2,818.32/3,889.22 = 1,559.34/x
3. Step 3: Cross multiply
   2,818.32x = 3,889.22 × 1,559.34
4. Step 4: Simplify right side
   2,818.32x = 6,064,616.31
5. Step 5: Solve for x
   x = 6,064,616.31/2,818.32
6. Step 6: Final answer
   x = 2,151.86