Finding the Fourth Proportional to 21,981,825.18, 30,338,551.23 and 12,195,422.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,981,825.18 : 30,338,551.23 = 12,195,422.34 : x
2. Step 2: Convert to fraction form
   21,981,825.18/30,338,551.23 = 12,195,422.34/x
3. Step 3: Cross multiply
   21,981,825.18x = 30,338,551.23 × 12,195,422.34
4. Step 4: Simplify right side
   21,981,825.18x = 369,991,445,433,576.50
5. Step 5: Solve for x
   x = 369,991,445,433,576.50/21,981,825.18
6. Step 6: Final answer
   x = 16,831,698.11