Finding the Fourth Proportional to 21,813,480.31, 30,103,949.63 and 12,023,902.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,813,480.31 : 30,103,949.63 = 12,023,902.42 : x
2. Step 2: Convert to fraction form
   21,813,480.31/30,103,949.63 = 12,023,902.42/x
3. Step 3: Cross multiply
   21,813,480.31x = 30,103,949.63 × 12,023,902.42
4. Step 4: Simplify right side
   21,813,480.31x = 361,966,952,807,715.06
5. Step 5: Solve for x
   x = 361,966,952,807,715.06/21,813,480.31
6. Step 6: Final answer
   x = 16,593,727.72