Finding the Fourth Proportional to 6,669,338.83, 9,202,641.42 and 3,879,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,669,338.83 : 9,202,641.42 = 3,879,079.50 : x
2. Step 2: Convert to fraction form
   6,669,338.83/9,202,641.42 = 3,879,079.50/x
3. Step 3: Cross multiply
   6,669,338.83x = 9,202,641.42 × 3,879,079.50
4. Step 4: Simplify right side
   6,669,338.83x = 35,697,777,678,172.89
5. Step 5: Solve for x
   x = 35,697,777,678,172.89/6,669,338.83
6. Step 6: Final answer
   x = 5,352,521.23