Finding the Fourth Proportional to 22,244,061.05, 30,697,121.15 and 12,824,665.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,244,061.05 : 30,697,121.15 = 12,824,665.70 : x
2. Step 2: Convert to fraction form
   22,244,061.05/30,697,121.15 = 12,824,665.70/x
3. Step 3: Cross multiply
   22,244,061.05x = 30,697,121.15 × 12,824,665.70
4. Step 4: Simplify right side
   22,244,061.05x = 393,680,316,483,540.62
5. Step 5: Solve for x
   x = 393,680,316,483,540.62/22,244,061.05
6. Step 6: Final answer
   x = 17,698,221.36