Finding the Fourth Proportional to 2,068.26, 3,100.56 and 769.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.26 : 3,100.56 = 769.42 : x
2. Step 2: Convert to fraction form
   2,068.26/3,100.56 = 769.42/x
3. Step 3: Cross multiply
   2,068.26x = 3,100.56 × 769.42
4. Step 4: Simplify right side
   2,068.26x = 2,385,632.88
5. Step 5: Solve for x
   x = 2,385,632.88/2,068.26
6. Step 6: Final answer
   x = 1,153.45