Finding the Fourth Proportional to 3,104.62, 4,284.72 and 1,778.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,104.62 : 4,284.72 = 1,778.50 : x
2. Step 2: Convert to fraction form
   3,104.62/4,284.72 = 1,778.50/x
3. Step 3: Cross multiply
   3,104.62x = 4,284.72 × 1,778.50
4. Step 4: Simplify right side
   3,104.62x = 7,620,374.52
5. Step 5: Solve for x
   x = 7,620,374.52/3,104.62
6. Step 6: Final answer
   x = 2,454.53