Finding the Fourth Proportional to 6,498.38, 8,948.88 and 5,647.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,498.38 : 8,948.88 = 5,647.24 : x
2. Step 2: Convert to fraction form
   6,498.38/8,948.88 = 5,647.24/x
3. Step 3: Cross multiply
   6,498.38x = 8,948.88 × 5,647.24
4. Step 4: Simplify right side
   6,498.38x = 50,536,484.28
5. Step 5: Solve for x
   x = 50,536,484.28/6,498.38
6. Step 6: Final answer
   x = 7,776.78