Finding the Fourth Proportional to 2,065.32, 2,848.88 and 1,225.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.32 : 2,848.88 = 1,225.46 : x
2. Step 2: Convert to fraction form
   2,065.32/2,848.88 = 1,225.46/x
3. Step 3: Cross multiply
   2,065.32x = 2,848.88 × 1,225.46
4. Step 4: Simplify right side
   2,065.32x = 3,491,198.67
5. Step 5: Solve for x
   x = 3,491,198.67/2,065.32
6. Step 6: Final answer
   x = 1,690.39