Finding the Fourth Proportional to 2,068.94, 3,100.70 and 1,778.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.94 : 3,100.70 = 1,778.42 : x
2. Step 2: Convert to fraction form
   2,068.94/3,100.70 = 1,778.42/x
3. Step 3: Cross multiply
   2,068.94x = 3,100.70 × 1,778.42
4. Step 4: Simplify right side
   2,068.94x = 5,514,346.89
5. Step 5: Solve for x
   x = 5,514,346.89/2,068.94
6. Step 6: Final answer
   x = 2,665.30