Finding the Fourth Proportional to 1,480.71, 2,043.18 and 851.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.71 : 2,043.18 = 851.34 : x
2. Step 2: Convert to fraction form
   1,480.71/2,043.18 = 851.34/x
3. Step 3: Cross multiply
   1,480.71x = 2,043.18 × 851.34
4. Step 4: Simplify right side
   1,480.71x = 1,739,440.86
5. Step 5: Solve for x
   x = 1,739,440.86/1,480.71
6. Step 6: Final answer
   x = 1,174.73