Finding the Fourth Proportional to 16,440,721.47, 22,688,238.71 and 9,099,060.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,440,721.47 : 22,688,238.71 = 9,099,060.89 : x
2. Step 2: Convert to fraction form
   16,440,721.47/22,688,238.71 = 9,099,060.89/x
3. Step 3: Cross multiply
   16,440,721.47x = 22,688,238.71 × 9,099,060.89
4. Step 4: Simplify right side
   16,440,721.47x = 206,441,665,418,451.50
5. Step 5: Solve for x
   x = 206,441,665,418,451.50/16,440,721.47
6. Step 6: Final answer
   x = 12,556,727.87