Finding the Fourth Proportional to 1,665.63, 2,298.25 and 1,002.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.63 : 2,298.25 = 1,002.53 : x
2. Step 2: Convert to fraction form
   1,665.63/2,298.25 = 1,002.53/x
3. Step 3: Cross multiply
   1,665.63x = 2,298.25 × 1,002.53
4. Step 4: Simplify right side
   1,665.63x = 2,304,055.82
5. Step 5: Solve for x
   x = 2,304,055.82/1,665.63
6. Step 6: Final answer
   x = 1,383.29