Finding the Fourth Proportional to 2,581.92, 3,875.04 and 2,072.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.92 : 3,875.04 = 2,072.16 : x
2. Step 2: Convert to fraction form
   2,581.92/3,875.04 = 2,072.16/x
3. Step 3: Cross multiply
   2,581.92x = 3,875.04 × 2,072.16
4. Step 4: Simplify right side
   2,581.92x = 8,029,702.89
5. Step 5: Solve for x
   x = 8,029,702.89/2,581.92
6. Step 6: Final answer
   x = 3,109.97