Finding the Fourth Proportional to 5,180.76, 7,769.43 and 2,061.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,180.76 : 7,769.43 = 2,061.54 : x
2. Step 2: Convert to fraction form
   5,180.76/7,769.43 = 2,061.54/x
3. Step 3: Cross multiply
   5,180.76x = 7,769.43 × 2,061.54
4. Step 4: Simplify right side
   5,180.76x = 16,016,990.72
5. Step 5: Solve for x
   x = 16,016,990.72/5,180.76
6. Step 6: Final answer
   x = 3,091.63