Finding the Fourth Proportional to 1,479.35, 2,040.83 and 849.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.35 : 2,040.83 = 849.72 : x
2. Step 2: Convert to fraction form
   1,479.35/2,040.83 = 849.72/x
3. Step 3: Cross multiply
   1,479.35x = 2,040.83 × 849.72
4. Step 4: Simplify right side
   1,479.35x = 1,734,133.01
5. Step 5: Solve for x
   x = 1,734,133.01/1,479.35
6. Step 6: Final answer
   x = 1,172.23