Finding the Fourth Proportional to 2,225.66, 3,071.72 and 1,281.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.66 : 3,071.72 = 1,281.42 : x
2. Step 2: Convert to fraction form
   2,225.66/3,071.72 = 1,281.42/x
3. Step 3: Cross multiply
   2,225.66x = 3,071.72 × 1,281.42
4. Step 4: Simplify right side
   2,225.66x = 3,936,157.04
5. Step 5: Solve for x
   x = 3,936,157.04/2,225.66
6. Step 6: Final answer
   x = 1,768.54