Finding the Fourth Proportional to 2,618.29, 3,928.65 and 2,002.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.29 : 3,928.65 = 2,002.69 : x
2. Step 2: Convert to fraction form
   2,618.29/3,928.65 = 2,002.69/x
3. Step 3: Cross multiply
   2,618.29x = 3,928.65 × 2,002.69
4. Step 4: Simplify right side
   2,618.29x = 7,867,868.07
5. Step 5: Solve for x
   x = 7,867,868.07/2,618.29
6. Step 6: Final answer
   x = 3,004.96