Finding the Fourth Proportional to 1,410.62, 1,946.84 and 851.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.62 : 1,946.84 = 851.41 : x
2. Step 2: Convert to fraction form
   1,410.62/1,946.84 = 851.41/x
3. Step 3: Cross multiply
   1,410.62x = 1,946.84 × 851.41
4. Step 4: Simplify right side
   1,410.62x = 1,657,549.31
5. Step 5: Solve for x
   x = 1,657,549.31/1,410.62
6. Step 6: Final answer
   x = 1,175.05