Finding the Fourth Proportional to 21,952,086.50, 30,293,879.37 and 12,294,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,952,086.50 : 30,293,879.37 = 12,294,294.50 : x
2. Step 2: Convert to fraction form
   21,952,086.50/30,293,879.37 = 12,294,294.50/x
3. Step 3: Cross multiply
   21,952,086.50x = 30,293,879.37 × 12,294,294.50
4. Step 4: Simplify right side
   21,952,086.50x = 372,441,874,522,254.50
5. Step 5: Solve for x
   x = 372,441,874,522,254.50/21,952,086.50
6. Step 6: Final answer
   x = 16,966,126.41