Finding the Fourth Proportional to 2,618.82, 3,612.24 and 2,058.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.82 : 3,612.24 = 2,058.48 : x
2. Step 2: Convert to fraction form
   2,618.82/3,612.24 = 2,058.48/x
3. Step 3: Cross multiply
   2,618.82x = 3,612.24 × 2,058.48
4. Step 4: Simplify right side
   2,618.82x = 7,435,723.80
5. Step 5: Solve for x
   x = 7,435,723.80/2,618.82
6. Step 6: Final answer
   x = 2,839.34