Finding the Fourth Proportional to 2,757.69, 4,135.46 and 1,002.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,757.69 : 4,135.46 = 1,002.15 : x
2. Step 2: Convert to fraction form
   2,757.69/4,135.46 = 1,002.15/x
3. Step 3: Cross multiply
   2,757.69x = 4,135.46 × 1,002.15
4. Step 4: Simplify right side
   2,757.69x = 4,144,346.23
5. Step 5: Solve for x
   x = 4,144,346.23/2,757.69
6. Step 6: Final answer
   x = 1,502.83