Finding the Fourth Proportional to 2,847.50, 3,928.46 and 2,103.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.50 : 3,928.46 = 2,103.24 : x
2. Step 2: Convert to fraction form
   2,847.50/3,928.46 = 2,103.24/x
3. Step 3: Cross multiply
   2,847.50x = 3,928.46 × 2,103.24
4. Step 4: Simplify right side
   2,847.50x = 8,262,494.21
5. Step 5: Solve for x
   x = 8,262,494.21/2,847.50
6. Step 6: Final answer
   x = 2,901.67