Finding the Fourth Proportional to 2,002.17, 3,004.12 and 1,076.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.17 : 3,004.12 = 1,076.65 : x
2. Step 2: Convert to fraction form
   2,002.17/3,004.12 = 1,076.65/x
3. Step 3: Cross multiply
   2,002.17x = 3,004.12 × 1,076.65
4. Step 4: Simplify right side
   2,002.17x = 3,234,385.80
5. Step 5: Solve for x
   x = 3,234,385.80/2,002.17
6. Step 6: Final answer
   x = 1,615.44