Finding the Fourth Proportional to 1,410.58, 1,947.36 and 851.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.58 : 1,947.36 = 851.18 : x
2. Step 2: Convert to fraction form
   1,410.58/1,947.36 = 851.18/x
3. Step 3: Cross multiply
   1,410.58x = 1,947.36 × 851.18
4. Step 4: Simplify right side
   1,410.58x = 1,657,553.88
5. Step 5: Solve for x
   x = 1,657,553.88/1,410.58
6. Step 6: Final answer
   x = 1,175.09