Finding the Fourth Proportional to 1,048.83, 1,447.25 and 606.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.83 : 1,447.25 = 606.57 : x
2. Step 2: Convert to fraction form
   1,048.83/1,447.25 = 606.57/x
3. Step 3: Cross multiply
   1,048.83x = 1,447.25 × 606.57
4. Step 4: Simplify right side
   1,048.83x = 877,855.40
5. Step 5: Solve for x
   x = 877,855.40/1,048.83
6. Step 6: Final answer
   x = 836.99