Finding the Fourth Proportional to 2,618.67, 3,616.59 and 1,626.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.67 : 3,616.59 = 1,626.31 : x
2. Step 2: Convert to fraction form
   2,618.67/3,616.59 = 1,626.31/x
3. Step 3: Cross multiply
   2,618.67x = 3,616.59 × 1,626.31
4. Step 4: Simplify right side
   2,618.67x = 5,881,696.48
5. Step 5: Solve for x
   x = 5,881,696.48/2,618.67
6. Step 6: Final answer
   x = 2,246.06