Finding the Fourth Proportional to 21,813,479.31, 30,103,948.25 and 12,023,901.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,813,479.31 : 30,103,948.25 = 12,023,901.42 : x
2. Step 2: Convert to fraction form
   21,813,479.31/30,103,948.25 = 12,023,901.42/x
3. Step 3: Cross multiply
   21,813,479.31x = 30,103,948.25 × 12,023,901.42
4. Step 4: Simplify right side
   21,813,479.31x = 361,966,906,110,781.50
5. Step 5: Solve for x
   x = 361,966,906,110,781.50/21,813,479.31
6. Step 6: Final answer
   x = 16,593,726.34