Finding the Fourth Proportional to 22,444,156.70, 30,972,949.50 and 12,521,039.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,444,156.70 : 30,972,949.50 = 12,521,039.42 : x
2. Step 2: Convert to fraction form
   22,444,156.70/30,972,949.50 = 12,521,039.42/x
3. Step 3: Cross multiply
   22,444,156.70x = 30,972,949.50 × 12,521,039.42
4. Step 4: Simplify right side
   22,444,156.70x = 387,813,521,488,304.50
5. Step 5: Solve for x
   x = 387,813,521,488,304.50/22,444,156.70
6. Step 6: Final answer
   x = 17,279,041.79