Finding the Fourth Proportional to 2,271.60, 3,405.98 and 2,078.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.60 : 3,405.98 = 2,078.24 : x
2. Step 2: Convert to fraction form
   2,271.60/3,405.98 = 2,078.24/x
3. Step 3: Cross multiply
   2,271.60x = 3,405.98 × 2,078.24
4. Step 4: Simplify right side
   2,271.60x = 7,078,416.45
5. Step 5: Solve for x
   x = 7,078,416.45/2,271.60
6. Step 6: Final answer
   x = 3,116.05