Finding the Fourth Proportional to 22,509,436.24, 31,062,978.60 and 12,196,438.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,509,436.24 : 31,062,978.60 = 12,196,438.48 : x
2. Step 2: Convert to fraction form
   22,509,436.24/31,062,978.60 = 12,196,438.48/x
3. Step 3: Cross multiply
   22,509,436.24x = 31,062,978.60 × 12,196,438.48
4. Step 4: Simplify right side
   22,509,436.24x = 378,857,707,500,456.56
5. Step 5: Solve for x
   x = 378,857,707,500,456.56/22,509,436.24
6. Step 6: Final answer
   x = 16,831,061.58