Finding the Fourth Proportional to 2,114.69, 2,917.62 and 1,229.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.69 : 2,917.62 = 1,229.87 : x
2. Step 2: Convert to fraction form
   2,114.69/2,917.62 = 1,229.87/x
3. Step 3: Cross multiply
   2,114.69x = 2,917.62 × 1,229.87
4. Step 4: Simplify right side
   2,114.69x = 3,588,278.72
5. Step 5: Solve for x
   x = 3,588,278.72/2,114.69
6. Step 6: Final answer
   x = 1,696.84