Finding the Fourth Proportional to 2,064.60, 2,848.71 and 1,225.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.60 : 2,848.71 = 1,225.62 : x
2. Step 2: Convert to fraction form
   2,064.60/2,848.71 = 1,225.62/x
3. Step 3: Cross multiply
   2,064.60x = 2,848.71 × 1,225.62
4. Step 4: Simplify right side
   2,064.60x = 3,491,435.95
5. Step 5: Solve for x
   x = 3,491,435.95/2,064.60
6. Step 6: Final answer
   x = 1,691.10