Finding the Fourth Proportional to 1,458.57, 2,185.89 and 799.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.57 : 2,185.89 = 799.46 : x
2. Step 2: Convert to fraction form
   1,458.57/2,185.89 = 799.46/x
3. Step 3: Cross multiply
   1,458.57x = 2,185.89 × 799.46
4. Step 4: Simplify right side
   1,458.57x = 1,747,532.63
5. Step 5: Solve for x
   x = 1,747,532.63/1,458.57
6. Step 6: Final answer
   x = 1,198.11