Finding the Fourth Proportional to 2,095.57, 3,143.25 and 1,056.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.57 : 3,143.25 = 1,056.05 : x
2. Step 2: Convert to fraction form
   2,095.57/3,143.25 = 1,056.05/x
3. Step 3: Cross multiply
   2,095.57x = 3,143.25 × 1,056.05
4. Step 4: Simplify right side
   2,095.57x = 3,319,413.45
5. Step 5: Solve for x
   x = 3,319,413.45/2,095.57
6. Step 6: Final answer
   x = 1,584.02