Finding the Fourth Proportional to 2,246.72, 3,100.22 and 1,251.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,246.72 : 3,100.22 = 1,251.88 : x
2. Step 2: Convert to fraction form
   2,246.72/3,100.22 = 1,251.88/x
3. Step 3: Cross multiply
   2,246.72x = 3,100.22 × 1,251.88
4. Step 4: Simplify right side
   2,246.72x = 3,881,103.41
5. Step 5: Solve for x
   x = 3,881,103.41/2,246.72
6. Step 6: Final answer
   x = 1,727.45