Finding the Fourth Proportional to 22,606,757.28, 31,198,143.76 and 12,950,831.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,606,757.28 : 31,198,143.76 = 12,950,831.52 : x
2. Step 2: Convert to fraction form
   22,606,757.28/31,198,143.76 = 12,950,831.52/x
3. Step 3: Cross multiply
   22,606,757.28x = 31,198,143.76 × 12,950,831.52
4. Step 4: Simplify right side
   22,606,757.28x = 404,041,903,572,499.31
5. Step 5: Solve for x
   x = 404,041,903,572,499.31/22,606,757.28
6. Step 6: Final answer
   x = 17,872,616.52