Finding the Fourth Proportional to 16,221,131.88, 22,383,630.90 and 9,693,461.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,221,131.88 : 22,383,630.90 = 9,693,461.76 : x
2. Step 2: Convert to fraction form
   16,221,131.88/22,383,630.90 = 9,693,461.76/x
3. Step 3: Cross multiply
   16,221,131.88x = 22,383,630.90 × 9,693,461.76
4. Step 4: Simplify right side
   16,221,131.88x = 216,974,870,179,104.38
5. Step 5: Solve for x
   x = 216,974,870,179,104.38/16,221,131.88
6. Step 6: Final answer
   x = 13,376,062.27