Finding the Fourth Proportional to 2,818.82, 3,890.17 and 1,559.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818.82 : 3,890.17 = 1,559.93 : x
2. Step 2: Convert to fraction form
   2,818.82/3,890.17 = 1,559.93/x
3. Step 3: Cross multiply
   2,818.82x = 3,890.17 × 1,559.93
4. Step 4: Simplify right side
   2,818.82x = 6,068,399.70
5. Step 5: Solve for x
   x = 6,068,399.70/2,818.82
6. Step 6: Final answer
   x = 2,152.81