Finding the Fourth Proportional to 2,063.49, 3,090.19 and 1,863.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.49 : 3,090.19 = 1,863.59 : x
2. Step 2: Convert to fraction form
   2,063.49/3,090.19 = 1,863.59/x
3. Step 3: Cross multiply
   2,063.49x = 3,090.19 × 1,863.59
4. Step 4: Simplify right side
   2,063.49x = 5,758,822.41
5. Step 5: Solve for x
   x = 5,758,822.41/2,063.49
6. Step 6: Final answer
   x = 2,790.82