Finding the Fourth Proportional to 22,177,550.82, 30,605,126.72 and 12,388,407.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,177,550.82 : 30,605,126.72 = 12,388,407.60 : x
2. Step 2: Convert to fraction form
   22,177,550.82/30,605,126.72 = 12,388,407.60/x
3. Step 3: Cross multiply
   22,177,550.82x = 30,605,126.72 × 12,388,407.60
4. Step 4: Simplify right side
   22,177,550.82x = 379,148,784,395,069
5. Step 5: Solve for x
   x = 379,148,784,395,069/22,177,550.82
6. Step 6: Final answer
   x = 17,096,062.03