Finding the Fourth Proportional to 2,847.29, 3,928.17 and 2,103.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.29 : 3,928.17 = 2,103.02 : x
2. Step 2: Convert to fraction form
   2,847.29/3,928.17 = 2,103.02/x
3. Step 3: Cross multiply
   2,847.29x = 3,928.17 × 2,103.02
4. Step 4: Simplify right side
   2,847.29x = 8,261,020.07
5. Step 5: Solve for x
   x = 8,261,020.07/2,847.29
6. Step 6: Final answer
   x = 2,901.36