Finding the Fourth Proportional to 1,048.82, 1,447.02 and 606.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.82 : 1,447.02 = 606.56 : x
2. Step 2: Convert to fraction form
   1,048.82/1,447.02 = 606.56/x
3. Step 3: Cross multiply
   1,048.82x = 1,447.02 × 606.56
4. Step 4: Simplify right side
   1,048.82x = 877,704.45
5. Step 5: Solve for x
   x = 877,704.45/1,048.82
6. Step 6: Final answer
   x = 836.85