Finding the Fourth Proportional to 22,081,786.17, 30,471,396.73 and 12,291,978.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,081,786.17 : 30,471,396.73 = 12,291,978.63 : x
2. Step 2: Convert to fraction form
   22,081,786.17/30,471,396.73 = 12,291,978.63/x
3. Step 3: Cross multiply
   22,081,786.17x = 30,471,396.73 × 12,291,978.63
4. Step 4: Simplify right side
   22,081,786.17x = 374,553,757,431,411.94
5. Step 5: Solve for x
   x = 374,553,757,431,411.94/22,081,786.17
6. Step 6: Final answer
   x = 16,962,113.23