Finding the Fourth Proportional to 22,188,275.37, 30,619,249.71 and 12,398,799.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,188,275.37 : 30,619,249.71 = 12,398,799.98 : x
2. Step 2: Convert to fraction form
   22,188,275.37/30,619,249.71 = 12,398,799.98/x
3. Step 3: Cross multiply
   22,188,275.37x = 30,619,249.71 × 12,398,799.98
4. Step 4: Simplify right side
   22,188,275.37x = 379,641,952,538,866.75
5. Step 5: Solve for x
   x = 379,641,952,538,866.75/22,188,275.37
6. Step 6: Final answer
   x = 17,110,025.28