Finding the Fourth Proportional to 2,890.25, 4,336.69 and 1,224.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.25 : 4,336.69 = 1,224.83 : x
2. Step 2: Convert to fraction form
   2,890.25/4,336.69 = 1,224.83/x
3. Step 3: Cross multiply
   2,890.25x = 4,336.69 × 1,224.83
4. Step 4: Simplify right side
   2,890.25x = 5,311,708.01
5. Step 5: Solve for x
   x = 5,311,708.01/2,890.25
6. Step 6: Final answer
   x = 1,837.80