Finding the Fourth Proportional to 2,120.10, 3,176.72 and 1,295.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.10 : 3,176.72 = 1,295.86 : x
2. Step 2: Convert to fraction form
   2,120.10/3,176.72 = 1,295.86/x
3. Step 3: Cross multiply
   2,120.10x = 3,176.72 × 1,295.86
4. Step 4: Simplify right side
   2,120.10x = 4,116,584.38
5. Step 5: Solve for x
   x = 4,116,584.38/2,120.10
6. Step 6: Final answer
   x = 1,941.69