Finding the Fourth Proportional to 3,866.56, 5,799.89 and 1,093.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866.56 : 5,799.89 = 1,093.30 : x
2. Step 2: Convert to fraction form
   3,866.56/5,799.89 = 1,093.30/x
3. Step 3: Cross multiply
   3,866.56x = 5,799.89 × 1,093.30
4. Step 4: Simplify right side
   3,866.56x = 6,341,019.74
5. Step 5: Solve for x
   x = 6,341,019.74/3,866.56
6. Step 6: Final answer
   x = 1,639.96