Finding the Fourth Proportional to 16,382,981, 22,608,523.50 and 9,139,637

Step by Step Solution

1. Step 1: Write the proportion equation
   16,382,981 : 22,608,523.50 = 9,139,637 : x
2. Step 2: Convert to fraction form
   16,382,981/22,608,523.50 = 9,139,637/x
3. Step 3: Cross multiply
   16,382,981x = 22,608,523.50 × 9,139,637
4. Step 4: Simplify right side
   16,382,981x = 206,633,697,895,969.50
5. Step 5: Solve for x
   x = 206,633,697,895,969.50/16,382,981
6. Step 6: Final answer
   x = 12,612,704.48