Finding the Fourth Proportional to 1,480.16, 2,042.72 and 850.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.16 : 2,042.72 = 850.89 : x
2. Step 2: Convert to fraction form
   1,480.16/2,042.72 = 850.89/x
3. Step 3: Cross multiply
   1,480.16x = 2,042.72 × 850.89
4. Step 4: Simplify right side
   1,480.16x = 1,738,125.77
5. Step 5: Solve for x
   x = 1,738,125.77/1,480.16
6. Step 6: Final answer
   x = 1,174.29