Finding the Fourth Proportional to 6,269,688.72, 8,648,496.02 and 3,942,890.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,269,688.72 : 8,648,496.02 = 3,942,890.62 : x
2. Step 2: Convert to fraction form
   6,269,688.72/8,648,496.02 = 3,942,890.62/x
3. Step 3: Cross multiply
   6,269,688.72x = 8,648,496.02 × 3,942,890.62
4. Step 4: Simplify right side
   6,269,688.72x = 34,100,073,822,601.32
5. Step 5: Solve for x
   x = 34,100,073,822,601.32/6,269,688.72
6. Step 6: Final answer
   x = 5,438,878.28