Finding the Fourth Proportional to 2,095.98, 3,144.86 and 1,055.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.98 : 3,144.86 = 1,055.43 : x
2. Step 2: Convert to fraction form
   2,095.98/3,144.86 = 1,055.43/x
3. Step 3: Cross multiply
   2,095.98x = 3,144.86 × 1,055.43
4. Step 4: Simplify right side
   2,095.98x = 3,319,178.27
5. Step 5: Solve for x
   x = 3,319,178.27/2,095.98
6. Step 6: Final answer
   x = 1,583.60