Finding the Fourth Proportional to 2,217.23, 3,058.63 and 1,798.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217.23 : 3,058.63 = 1,798.05 : x
2. Step 2: Convert to fraction form
   2,217.23/3,058.63 = 1,798.05/x
3. Step 3: Cross multiply
   2,217.23x = 3,058.63 × 1,798.05
4. Step 4: Simplify right side
   2,217.23x = 5,499,576.65
5. Step 5: Solve for x
   x = 5,499,576.65/2,217.23
6. Step 6: Final answer
   x = 2,480.38