Finding the Fourth Proportional to 2,068.76, 3,101.74 and 769.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.76 : 3,101.74 = 769.52 : x
2. Step 2: Convert to fraction form
   2,068.76/3,101.74 = 769.52/x
3. Step 3: Cross multiply
   2,068.76x = 3,101.74 × 769.52
4. Step 4: Simplify right side
   2,068.76x = 2,386,850.96
5. Step 5: Solve for x
   x = 2,386,850.96/2,068.76
6. Step 6: Final answer
   x = 1,153.76