Finding the Fourth Proportional to 1,494.30, 2,238.89 and 801.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.30 : 2,238.89 = 801.30 : x
2. Step 2: Convert to fraction form
   1,494.30/2,238.89 = 801.30/x
3. Step 3: Cross multiply
   1,494.30x = 2,238.89 × 801.30
4. Step 4: Simplify right side
   1,494.30x = 1,794,022.56
5. Step 5: Solve for x
   x = 1,794,022.56/1,494.30
6. Step 6: Final answer
   x = 1,200.58