Finding the Fourth Proportional to 6,499,152, 8,969,137.92 and 3,920,777.46

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499,152 : 8,969,137.92 = 3,920,777.46 : x
2. Step 2: Convert to fraction form
   6,499,152/8,969,137.92 = 3,920,777.46/x
3. Step 3: Cross multiply
   6,499,152x = 8,969,137.92 × 3,920,777.46
4. Step 4: Simplify right side
   6,499,152x = 35,165,993,792,367.28
5. Step 5: Solve for x
   x = 35,165,993,792,367.28/6,499,152
6. Step 6: Final answer
   x = 5,410,858.80