Finding the Fourth Proportional to 22,421,967.96, 30,942,315.90 and 12,108,690.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,421,967.96 : 30,942,315.90 = 12,108,690.96 : x
2. Step 2: Convert to fraction form
   22,421,967.96/30,942,315.90 = 12,108,690.96/x
3. Step 3: Cross multiply
   22,421,967.96x = 30,942,315.90 × 12,108,690.96
4. Step 4: Simplify right side
   22,421,967.96x = 374,670,940,819,794.25
5. Step 5: Solve for x
   x = 374,670,940,819,794.25/22,421,967.96
6. Step 6: Final answer
   x = 16,709,993.59