Finding the Fourth Proportional to 2,617.66, 3,613.74 and 2,018.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.66 : 3,613.74 = 2,018.83 : x
2. Step 2: Convert to fraction form
   2,617.66/3,613.74 = 2,018.83/x
3. Step 3: Cross multiply
   2,617.66x = 3,613.74 × 2,018.83
4. Step 4: Simplify right side
   2,617.66x = 7,295,526.72
5. Step 5: Solve for x
   x = 7,295,526.72/2,617.66
6. Step 6: Final answer
   x = 2,787.04