Finding the Fourth Proportional to 2,295.86, 3,168.27 and 1,247.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,295.86 : 3,168.27 = 1,247.94 : x
2. Step 2: Convert to fraction form
   2,295.86/3,168.27 = 1,247.94/x
3. Step 3: Cross multiply
   2,295.86x = 3,168.27 × 1,247.94
4. Step 4: Simplify right side
   2,295.86x = 3,953,810.86
5. Step 5: Solve for x
   x = 3,953,810.86/2,295.86
6. Step 6: Final answer
   x = 1,722.15