Finding the Fourth Proportional to 1,048.51, 1,447.03 and 606.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.51 : 1,447.03 = 606.42 : x
2. Step 2: Convert to fraction form
   1,048.51/1,447.03 = 606.42/x
3. Step 3: Cross multiply
   1,048.51x = 1,447.03 × 606.42
4. Step 4: Simplify right side
   1,048.51x = 877,508.69
5. Step 5: Solve for x
   x = 877,508.69/1,048.51
6. Step 6: Final answer
   x = 836.91