Finding the Fourth Proportional to 1,488.30, 2,229.55 and 794.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.30 : 2,229.55 = 794.73 : x
2. Step 2: Convert to fraction form
   1,488.30/2,229.55 = 794.73/x
3. Step 3: Cross multiply
   1,488.30x = 2,229.55 × 794.73
4. Step 4: Simplify right side
   1,488.30x = 1,771,886.34
5. Step 5: Solve for x
   x = 1,771,886.34/1,488.30
6. Step 6: Final answer
   x = 1,190.54