Finding the Fourth Proportional to 1,788.74, 2,468.28 and 1,002.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.74 : 2,468.28 = 1,002.86 : x
2. Step 2: Convert to fraction form
   1,788.74/2,468.28 = 1,002.86/x
3. Step 3: Cross multiply
   1,788.74x = 2,468.28 × 1,002.86
4. Step 4: Simplify right side
   1,788.74x = 2,475,339.28
5. Step 5: Solve for x
   x = 2,475,339.28/1,788.74
6. Step 6: Final answer
   x = 1,383.85