Finding the Fourth Proportional to 21,910,460.42, 30,237,325.67 and 12,120,735.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,910,460.42 : 30,237,325.67 = 12,120,735.83 : x
2. Step 2: Convert to fraction form
   21,910,460.42/30,237,325.67 = 12,120,735.83/x
3. Step 3: Cross multiply
   21,910,460.42x = 30,237,325.67 × 12,120,735.83
4. Step 4: Simplify right side
   21,910,460.42x = 366,498,636,546,013.81
5. Step 5: Solve for x
   x = 366,498,636,546,013.81/21,910,460.42
6. Step 6: Final answer
   x = 16,727,107.94