Finding the Fourth Proportional to 2,162.54, 3,240.76 and 1,236.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.54 : 3,240.76 = 1,236.71 : x
2. Step 2: Convert to fraction form
   2,162.54/3,240.76 = 1,236.71/x
3. Step 3: Cross multiply
   2,162.54x = 3,240.76 × 1,236.71
4. Step 4: Simplify right side
   2,162.54x = 4,007,861.00
5. Step 5: Solve for x
   x = 4,007,861.00/2,162.54
6. Step 6: Final answer
   x = 1,853.32