Finding the Fourth Proportional to 1,049.09, 1,447.47 and 606.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.09 : 1,447.47 = 606.83 : x
2. Step 2: Convert to fraction form
   1,049.09/1,447.47 = 606.83/x
3. Step 3: Cross multiply
   1,049.09x = 1,447.47 × 606.83
4. Step 4: Simplify right side
   1,049.09x = 878,360.98
5. Step 5: Solve for x
   x = 878,360.98/1,049.09
6. Step 6: Final answer
   x = 837.26