Finding the Fourth Proportional to 2,068.89, 2,854.88 and 1,229.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.89 : 2,854.88 = 1,229.37 : x
2. Step 2: Convert to fraction form
   2,068.89/2,854.88 = 1,229.37/x
3. Step 3: Cross multiply
   2,068.89x = 2,854.88 × 1,229.37
4. Step 4: Simplify right side
   2,068.89x = 3,509,697.68
5. Step 5: Solve for x
   x = 3,509,697.68/2,068.89
6. Step 6: Final answer
   x = 1,696.42