Finding the Fourth Proportional to 6,769.72, 10,156.31 and 2,608.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,769.72 : 10,156.31 = 2,608.61 : x
2. Step 2: Convert to fraction form
   6,769.72/10,156.31 = 2,608.61/x
3. Step 3: Cross multiply
   6,769.72x = 10,156.31 × 2,608.61
4. Step 4: Simplify right side
   6,769.72x = 26,493,851.83
5. Step 5: Solve for x
   x = 26,493,851.83/6,769.72
6. Step 6: Final answer
   x = 3,913.58