Finding the Fourth Proportional to 1,660.06, 2,290.82 and 914.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,660.06 : 2,290.82 = 914.02 : x
2. Step 2: Convert to fraction form
   1,660.06/2,290.82 = 914.02/x
3. Step 3: Cross multiply
   1,660.06x = 2,290.82 × 914.02
4. Step 4: Simplify right side
   1,660.06x = 2,093,855.30
5. Step 5: Solve for x
   x = 2,093,855.30/1,660.06
6. Step 6: Final answer
   x = 1,261.31