Finding the Fourth Proportional to 2,084.24, 3,128.52 and 1,928.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.24 : 3,128.52 = 1,928.72 : x
2. Step 2: Convert to fraction form
   2,084.24/3,128.52 = 1,928.72/x
3. Step 3: Cross multiply
   2,084.24x = 3,128.52 × 1,928.72
4. Step 4: Simplify right side
   2,084.24x = 6,034,039.09
5. Step 5: Solve for x
   x = 6,034,039.09/2,084.24
6. Step 6: Final answer
   x = 2,895.08