Finding the Fourth Proportional to 22,481,667.45, 31,024,794.50 and 12,168,390.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,481,667.45 : 31,024,794.50 = 12,168,390.55 : x
2. Step 2: Convert to fraction form
   22,481,667.45/31,024,794.50 = 12,168,390.55/x
3. Step 3: Cross multiply
   22,481,667.45x = 31,024,794.50 × 12,168,390.55
4. Step 4: Simplify right side
   22,481,667.45x = 377,521,816,054,368
5. Step 5: Solve for x
   x = 377,521,816,054,368/22,481,667.45
6. Step 6: Final answer
   x = 16,792,429.52