Finding the Fourth Proportional to 23,123,148.85, 31,911,904.97 and 12,813,105.97

Step by Step Solution

1. Step 1: Write the proportion equation
   23,123,148.85 : 31,911,904.97 = 12,813,105.97 : x
2. Step 2: Convert to fraction form
   23,123,148.85/31,911,904.97 = 12,813,105.97/x
3. Step 3: Cross multiply
   23,123,148.85x = 31,911,904.97 × 12,813,105.97
4. Step 4: Simplify right side
   23,123,148.85x = 408,890,620,085,179.69
5. Step 5: Solve for x
   x = 408,890,620,085,179.69/23,123,148.85
6. Step 6: Final answer
   x = 17,683,172.08