Finding the Fourth Proportional to 5,867.72, 8,780.61 and 5,096.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,867.72 : 8,780.61 = 5,096.80 : x
2. Step 2: Convert to fraction form
   5,867.72/8,780.61 = 5,096.80/x
3. Step 3: Cross multiply
   5,867.72x = 8,780.61 × 5,096.80
4. Step 4: Simplify right side
   5,867.72x = 44,753,013.05
5. Step 5: Solve for x
   x = 44,753,013.05/5,867.72
6. Step 6: Final answer
   x = 7,626.99