Finding the Fourth Proportional to 1,664.05, 2,296.37 and 918.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664.05 : 2,296.37 = 918.04 : x
2. Step 2: Convert to fraction form
   1,664.05/2,296.37 = 918.04/x
3. Step 3: Cross multiply
   1,664.05x = 2,296.37 × 918.04
4. Step 4: Simplify right side
   1,664.05x = 2,108,156.07
5. Step 5: Solve for x
   x = 2,108,156.07/1,664.05
6. Step 6: Final answer
   x = 1,266.88