Finding the Fourth Proportional to 2,002.86, 3,005.81 and 1,079.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.86 : 3,005.81 = 1,079.19 : x
2. Step 2: Convert to fraction form
   2,002.86/3,005.81 = 1,079.19/x
3. Step 3: Cross multiply
   2,002.86x = 3,005.81 × 1,079.19
4. Step 4: Simplify right side
   2,002.86x = 3,243,840.09
5. Step 5: Solve for x
   x = 3,243,840.09/2,002.86
6. Step 6: Final answer
   x = 1,619.60