Finding the Fourth Proportional to 2,068.13, 3,100.37 and 768.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.13 : 3,100.37 = 768.69 : x
2. Step 2: Convert to fraction form
   2,068.13/3,100.37 = 768.69/x
3. Step 3: Cross multiply
   2,068.13x = 3,100.37 × 768.69
4. Step 4: Simplify right side
   2,068.13x = 2,383,223.42
5. Step 5: Solve for x
   x = 2,383,223.42/2,068.13
6. Step 6: Final answer
   x = 1,152.36