Finding the Fourth Proportional to 1,410.50, 1,946.46 and 851.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.50 : 1,946.46 = 851.43 : x
2. Step 2: Convert to fraction form
   1,410.50/1,946.46 = 851.43/x
3. Step 3: Cross multiply
   1,410.50x = 1,946.46 × 851.43
4. Step 4: Simplify right side
   1,410.50x = 1,657,274.44
5. Step 5: Solve for x
   x = 1,657,274.44/1,410.50
6. Step 6: Final answer
   x = 1,174.96