Finding the Fourth Proportional to 2,632.27, 3,945.26 and 1,224.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.27 : 3,945.26 = 1,224.78 : x
2. Step 2: Convert to fraction form
   2,632.27/3,945.26 = 1,224.78/x
3. Step 3: Cross multiply
   2,632.27x = 3,945.26 × 1,224.78
4. Step 4: Simplify right side
   2,632.27x = 4,832,084.21
5. Step 5: Solve for x
   x = 4,832,084.21/2,632.27
6. Step 6: Final answer
   x = 1,835.71