Finding the Fourth Proportional to 2,152.96, 3,222.96 and 1,226.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.96 : 3,222.96 = 1,226.86 : x
2. Step 2: Convert to fraction form
   2,152.96/3,222.96 = 1,226.86/x
3. Step 3: Cross multiply
   2,152.96x = 3,222.96 × 1,226.86
4. Step 4: Simplify right side
   2,152.96x = 3,954,120.71
5. Step 5: Solve for x
   x = 3,954,120.71/2,152.96
6. Step 6: Final answer
   x = 1,836.60