Finding the Fourth Proportional to 2,246.16, 3,099.78 and 1,251.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,246.16 : 3,099.78 = 1,251.72 : x
2. Step 2: Convert to fraction form
   2,246.16/3,099.78 = 1,251.72/x
3. Step 3: Cross multiply
   2,246.16x = 3,099.78 × 1,251.72
4. Step 4: Simplify right side
   2,246.16x = 3,880,056.62
5. Step 5: Solve for x
   x = 3,880,056.62/2,246.16
6. Step 6: Final answer
   x = 1,727.42