Finding the Fourth Proportional to 1,665.41, 2,298.28 and 1,002.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.41 : 2,298.28 = 1,002.27 : x
2. Step 2: Convert to fraction form
   1,665.41/2,298.28 = 1,002.27/x
3. Step 3: Cross multiply
   1,665.41x = 2,298.28 × 1,002.27
4. Step 4: Simplify right side
   1,665.41x = 2,303,497.10
5. Step 5: Solve for x
   x = 2,303,497.10/1,665.41
6. Step 6: Final answer
   x = 1,383.14