Finding the Fourth Proportional to 1,665.52, 2,298.42 and 1,002.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.52 : 2,298.42 = 1,002.76 : x
2. Step 2: Convert to fraction form
   1,665.52/2,298.42 = 1,002.76/x
3. Step 3: Cross multiply
   1,665.52x = 2,298.42 × 1,002.76
4. Step 4: Simplify right side
   1,665.52x = 2,304,763.64
5. Step 5: Solve for x
   x = 2,304,763.64/1,665.52
6. Step 6: Final answer
   x = 1,383.81