Finding the Fourth Proportional to 21,928,937.50, 30,262,173.24 and 12,139,545.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,928,937.50 : 30,262,173.24 = 12,139,545.34 : x
2. Step 2: Convert to fraction form
   21,928,937.50/30,262,173.24 = 12,139,545.34/x
3. Step 3: Cross multiply
   21,928,937.50x = 30,262,173.24 × 12,139,545.34
4. Step 4: Simplify right side
   21,928,937.50x = 367,369,024,133,914.69
5. Step 5: Solve for x
   x = 367,369,024,133,914.69/21,928,937.50
6. Step 6: Final answer
   x = 16,752,705.15