Finding the Fourth Proportional to 1,788.77, 2,468.49 and 1,002.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.77 : 2,468.49 = 1,002.80 : x
2. Step 2: Convert to fraction form
   1,788.77/2,468.49 = 1,002.80/x
3. Step 3: Cross multiply
   1,788.77x = 2,468.49 × 1,002.80
4. Step 4: Simplify right side
   1,788.77x = 2,475,401.77
5. Step 5: Solve for x
   x = 2,475,401.77/1,788.77
6. Step 6: Final answer
   x = 1,383.86