Finding the Fourth Proportional to 2,071.04, 3,106.94 and 684.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.04 : 3,106.94 = 684.43 : x
2. Step 2: Convert to fraction form
   2,071.04/3,106.94 = 684.43/x
3. Step 3: Cross multiply
   2,071.04x = 3,106.94 × 684.43
4. Step 4: Simplify right side
   2,071.04x = 2,126,471.75
5. Step 5: Solve for x
   x = 2,126,471.75/2,071.04
6. Step 6: Final answer
   x = 1,026.77