Finding the Fourth Proportional to 1,664.56, 2,297.06 and 918.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664.56 : 2,297.06 = 918.52 : x
2. Step 2: Convert to fraction form
   1,664.56/2,297.06 = 918.52/x
3. Step 3: Cross multiply
   1,664.56x = 2,297.06 × 918.52
4. Step 4: Simplify right side
   1,664.56x = 2,109,895.55
5. Step 5: Solve for x
   x = 2,109,895.55/1,664.56
6. Step 6: Final answer
   x = 1,267.54