Finding the Fourth Proportional to 11,874,687.69, 16,387,100.78 and 6,442,179.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,874,687.69 : 16,387,100.78 = 6,442,179.69 : x
2. Step 2: Convert to fraction form
   11,874,687.69/16,387,100.78 = 6,442,179.69/x
3. Step 3: Cross multiply
   11,874,687.69x = 16,387,100.78 × 6,442,179.69
4. Step 4: Simplify right side
   11,874,687.69x = 105,568,647,790,688.27
5. Step 5: Solve for x
   x = 105,568,647,790,688.27/11,874,687.69
6. Step 6: Final answer
   x = 8,890,225.20