Finding the Fourth Proportional to 2,068.50, 2,854.53 and 1,369.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.50 : 2,854.53 = 1,369.88 : x
2. Step 2: Convert to fraction form
   2,068.50/2,854.53 = 1,369.88/x
3. Step 3: Cross multiply
   2,068.50x = 2,854.53 × 1,369.88
4. Step 4: Simplify right side
   2,068.50x = 3,910,349.28
5. Step 5: Solve for x
   x = 3,910,349.28/2,068.50
6. Step 6: Final answer
   x = 1,890.43