Finding the Fourth Proportional to 1,479.86, 2,041.72 and 850.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.86 : 2,041.72 = 850.22 : x
2. Step 2: Convert to fraction form
   1,479.86/2,041.72 = 850.22/x
3. Step 3: Cross multiply
   1,479.86x = 2,041.72 × 850.22
4. Step 4: Simplify right side
   1,479.86x = 1,735,898.84
5. Step 5: Solve for x
   x = 1,735,898.84/1,479.86
6. Step 6: Final answer
   x = 1,173.02