Finding the Fourth Proportional to 6,229.56, 8,607.72 and 4,980.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,229.56 : 8,607.72 = 4,980.92 : x
2. Step 2: Convert to fraction form
   6,229.56/8,607.72 = 4,980.92/x
3. Step 3: Cross multiply
   6,229.56x = 8,607.72 × 4,980.92
4. Step 4: Simplify right side
   6,229.56x = 42,874,364.70
5. Step 5: Solve for x
   x = 42,874,364.70/6,229.56
6. Step 6: Final answer
   x = 6,882.41