Finding the Fourth Proportional to 1,282.69, 1,770.37 and 1,002.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282.69 : 1,770.37 = 1,002.37 : x
2. Step 2: Convert to fraction form
   1,282.69/1,770.37 = 1,002.37/x
3. Step 3: Cross multiply
   1,282.69x = 1,770.37 × 1,002.37
4. Step 4: Simplify right side
   1,282.69x = 1,774,571.12
5. Step 5: Solve for x
   x = 1,774,571.12/1,282.69
6. Step 6: Final answer
   x = 1,383.47