Finding the Fourth Proportional to 2,618.56, 3,613.26 and 1,623.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.56 : 3,613.26 = 1,623.48 : x
2. Step 2: Convert to fraction form
   2,618.56/3,613.26 = 1,623.48/x
3. Step 3: Cross multiply
   2,618.56x = 3,613.26 × 1,623.48
4. Step 4: Simplify right side
   2,618.56x = 5,866,055.34
5. Step 5: Solve for x
   x = 5,866,055.34/2,618.56
6. Step 6: Final answer
   x = 2,240.18