Finding the Fourth Proportional to 2,114.22, 2,917.61 and 1,263.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.22 : 2,917.61 = 1,263.86 : x
2. Step 2: Convert to fraction form
   2,114.22/2,917.61 = 1,263.86/x
3. Step 3: Cross multiply
   2,114.22x = 2,917.61 × 1,263.86
4. Step 4: Simplify right side
   2,114.22x = 3,687,450.57
5. Step 5: Solve for x
   x = 3,687,450.57/2,114.22
6. Step 6: Final answer
   x = 1,744.12