Finding the Fourth Proportional to 8,906,046.38, 12,290,367.76 and 4,831,665.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,906,046.38 : 12,290,367.76 = 4,831,665.38 : x
2. Step 2: Convert to fraction form
   8,906,046.38/12,290,367.76 = 4,831,665.38/x
3. Step 3: Cross multiply
   8,906,046.38x = 12,290,367.76 × 4,831,665.38
4. Step 4: Simplify right side
   8,906,046.38x = 59,382,944,339,929.15
5. Step 5: Solve for x
   x = 59,382,944,339,929.15/8,906,046.38
6. Step 6: Final answer
   x = 6,667,711.11