Finding the Fourth Proportional to 2,890.00, 4,336.31 and 1,224.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.00 : 4,336.31 = 1,224.58 : x
2. Step 2: Convert to fraction form
   2,890.00/4,336.31 = 1,224.58/x
3. Step 3: Cross multiply
   2,890.00x = 4,336.31 × 1,224.58
4. Step 4: Simplify right side
   2,890.00x = 5,310,150.72
5. Step 5: Solve for x
   x = 5,310,150.72/2,890.00
6. Step 6: Final answer
   x = 1,837.42