Finding the Fourth Proportional to 6,466.38, 8,916.72 and 5,119.74

Step by Step Solution

1. Step 1: Write the proportion equation
   6,466.38 : 8,916.72 = 5,119.74 : x
2. Step 2: Convert to fraction form
   6,466.38/8,916.72 = 5,119.74/x
3. Step 3: Cross multiply
   6,466.38x = 8,916.72 × 5,119.74
4. Step 4: Simplify right side
   6,466.38x = 45,651,288.05
5. Step 5: Solve for x
   x = 45,651,288.05/6,466.38
6. Step 6: Final answer
   x = 7,059.79