Finding the Fourth Proportional to 1,665.15, 2,297.85 and 1,001.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.15 : 2,297.85 = 1,001.88 : x
2. Step 2: Convert to fraction form
   1,665.15/2,297.85 = 1,001.88/x
3. Step 3: Cross multiply
   1,665.15x = 2,297.85 × 1,001.88
4. Step 4: Simplify right side
   1,665.15x = 2,302,164.43
5. Step 5: Solve for x
   x = 2,302,164.43/1,665.15
6. Step 6: Final answer
   x = 1,382.55