Finding the Fourth Proportional to 2,040.69, 3,061.99 and 1,116.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.69 : 3,061.99 = 1,116.21 : x
2. Step 2: Convert to fraction form
   2,040.69/3,061.99 = 1,116.21/x
3. Step 3: Cross multiply
   2,040.69x = 3,061.99 × 1,116.21
4. Step 4: Simplify right side
   2,040.69x = 3,417,823.86
5. Step 5: Solve for x
   x = 3,417,823.86/2,040.69
6. Step 6: Final answer
   x = 1,674.84