Finding the Fourth Proportional to 2,064.89, 2,849.28 and 1,225.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.89 : 2,849.28 = 1,225.46 : x
2. Step 2: Convert to fraction form
   2,064.89/2,849.28 = 1,225.46/x
3. Step 3: Cross multiply
   2,064.89x = 2,849.28 × 1,225.46
4. Step 4: Simplify right side
   2,064.89x = 3,491,678.67
5. Step 5: Solve for x
   x = 3,491,678.67/2,064.89
6. Step 6: Final answer
   x = 1,690.98