Finding the Fourth Proportional to 22,428,055.32, 30,950,728.80 and 12,114,778.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,428,055.32 : 30,950,728.80 = 12,114,778.50 : x
2. Step 2: Convert to fraction form
   22,428,055.32/30,950,728.80 = 12,114,778.50/x
3. Step 3: Cross multiply
   22,428,055.32x = 30,950,728.80 × 12,114,778.50
4. Step 4: Simplify right side
   22,428,055.32x = 374,961,223,825,570.81
5. Step 5: Solve for x
   x = 374,961,223,825,570.81/22,428,055.32
6. Step 6: Final answer
   x = 16,718,401.06