Finding the Fourth Proportional to 6,825,640.10, 9,419,321.32 and 3,728,162.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,825,640.10 : 9,419,321.32 = 3,728,162.80 : x
2. Step 2: Convert to fraction form
   6,825,640.10/9,419,321.32 = 3,728,162.80/x
3. Step 3: Cross multiply
   6,825,640.10x = 9,419,321.32 × 3,728,162.80
4. Step 4: Simplify right side
   6,825,640.10x = 35,116,763,346,470.89
5. Step 5: Solve for x
   x = 35,116,763,346,470.89/6,825,640.10
6. Step 6: Final answer
   x = 5,144,830.79