Finding the Fourth Proportional to 22,219,147.62, 30,661,190.42 and 12,427,700.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,219,147.62 : 30,661,190.42 = 12,427,700.09 : x
2. Step 2: Convert to fraction form
   22,219,147.62/30,661,190.42 = 12,427,700.09/x
3. Step 3: Cross multiply
   22,219,147.62x = 30,661,190.42 × 12,427,700.09
4. Step 4: Simplify right side
   22,219,147.62x = 381,048,078,726,696.69
5. Step 5: Solve for x
   x = 381,048,078,726,696.69/22,219,147.62
6. Step 6: Final answer
   x = 17,149,536.30