Finding the Fourth Proportional to 2,064.55, 2,848.63 and 1,225.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.55 : 2,848.63 = 1,225.53 : x
2. Step 2: Convert to fraction form
   2,064.55/2,848.63 = 1,225.53/x
3. Step 3: Cross multiply
   2,064.55x = 2,848.63 × 1,225.53
4. Step 4: Simplify right side
   2,064.55x = 3,491,068.27
5. Step 5: Solve for x
   x = 3,491,068.27/2,064.55
6. Step 6: Final answer
   x = 1,690.96