Finding the Fourth Proportional to 2,002.68, 2,748.99 and 1,776.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.68 : 2,748.99 = 1,776.69 : x
2. Step 2: Convert to fraction form
   2,002.68/2,748.99 = 1,776.69/x
3. Step 3: Cross multiply
   2,002.68x = 2,748.99 × 1,776.69
4. Step 4: Simplify right side
   2,002.68x = 4,884,103.04
5. Step 5: Solve for x
   x = 4,884,103.04/2,002.68
6. Step 6: Final answer
   x = 2,438.78