Finding the Fourth Proportional to 16,139,618.82, 22,260,074.13 and 10,338,939.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139,618.82 : 22,260,074.13 = 10,338,939.90 : x
2. Step 2: Convert to fraction form
   16,139,618.82/22,260,074.13 = 10,338,939.90/x
3. Step 3: Cross multiply
   16,139,618.82x = 22,260,074.13 × 10,338,939.90
4. Step 4: Simplify right side
   16,139,618.82x = 230,145,568,599,614.78
5. Step 5: Solve for x
   x = 230,145,568,599,614.78/16,139,618.82
6. Step 6: Final answer
   x = 14,259,665.68