Finding the Fourth Proportional to 2,076.69, 3,114.66 and 690.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.69 : 3,114.66 = 690.84 : x
2. Step 2: Convert to fraction form
   2,076.69/3,114.66 = 690.84/x
3. Step 3: Cross multiply
   2,076.69x = 3,114.66 × 690.84
4. Step 4: Simplify right side
   2,076.69x = 2,151,731.71
5. Step 5: Solve for x
   x = 2,151,731.71/2,076.69
6. Step 6: Final answer
   x = 1,036.14