Finding the Fourth Proportional to 2,758.43, 4,136.34 and 1,002.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.43 : 4,136.34 = 1,002.19 : x
2. Step 2: Convert to fraction form
   2,758.43/4,136.34 = 1,002.19/x
3. Step 3: Cross multiply
   2,758.43x = 4,136.34 × 1,002.19
4. Step 4: Simplify right side
   2,758.43x = 4,145,410.18
5. Step 5: Solve for x
   x = 4,145,410.18/2,758.43
6. Step 6: Final answer
   x = 1,502.82