Finding the Fourth Proportional to 2,114.38, 2,917.56 and 1,229.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.38 : 2,917.56 = 1,229.50 : x
2. Step 2: Convert to fraction form
   2,114.38/2,917.56 = 1,229.50/x
3. Step 3: Cross multiply
   2,114.38x = 2,917.56 × 1,229.50
4. Step 4: Simplify right side
   2,114.38x = 3,587,140.02
5. Step 5: Solve for x
   x = 3,587,140.02/2,114.38
6. Step 6: Final answer
   x = 1,696.54