Finding the Fourth Proportional to 16,382,980, 22,608,522.12 and 9,139,636

Step by Step Solution

1. Step 1: Write the proportion equation
   16,382,980 : 22,608,522.12 = 9,139,636 : x
2. Step 2: Convert to fraction form
   16,382,980/22,608,522.12 = 9,139,636/x
3. Step 3: Cross multiply
   16,382,980x = 22,608,522.12 × 9,139,636
4. Step 4: Simplify right side
   16,382,980x = 206,633,662,674,748.34
5. Step 5: Solve for x
   x = 206,633,662,674,748.34/16,382,980
6. Step 6: Final answer
   x = 12,612,703.10