Finding the Fourth Proportional to 1,665.65, 2,297.84 and 1,076.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.65 : 2,297.84 = 1,076.38 : x
2. Step 2: Convert to fraction form
   1,665.65/2,297.84 = 1,076.38/x
3. Step 3: Cross multiply
   1,665.65x = 2,297.84 × 1,076.38
4. Step 4: Simplify right side
   1,665.65x = 2,473,337.89
5. Step 5: Solve for x
   x = 2,473,337.89/1,665.65
6. Step 6: Final answer
   x = 1,484.91