Finding the Fourth Proportional to 2,114.46, 2,917.89 and 1,229.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.46 : 2,917.89 = 1,229.67 : x
2. Step 2: Convert to fraction form
   2,114.46/2,917.89 = 1,229.67/x
3. Step 3: Cross multiply
   2,114.46x = 2,917.89 × 1,229.67
4. Step 4: Simplify right side
   2,114.46x = 3,588,041.80
5. Step 5: Solve for x
   x = 3,588,041.80/2,114.46
6. Step 6: Final answer
   x = 1,696.91