Finding the Fourth Proportional to 2,061.69, 2,845.14 and 1,222.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.69 : 2,845.14 = 1,222.82 : x
2. Step 2: Convert to fraction form
   2,061.69/2,845.14 = 1,222.82/x
3. Step 3: Cross multiply
   2,061.69x = 2,845.14 × 1,222.82
4. Step 4: Simplify right side
   2,061.69x = 3,479,079.87
5. Step 5: Solve for x
   x = 3,479,079.87/2,061.69
6. Step 6: Final answer
   x = 1,687.49