Finding the Fourth Proportional to 2,336.67, 3,224.52 and 1,288.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,336.67 : 3,224.52 = 1,288.71 : x
2. Step 2: Convert to fraction form
   2,336.67/3,224.52 = 1,288.71/x
3. Step 3: Cross multiply
   2,336.67x = 3,224.52 × 1,288.71
4. Step 4: Simplify right side
   2,336.67x = 4,155,471.17
5. Step 5: Solve for x
   x = 4,155,471.17/2,336.67
6. Step 6: Final answer
   x = 1,778.37