Finding the Fourth Proportional to 21,801,282, 30,086,448.33 and 12,510,553.35

Step by Step Solution

1. Step 1: Write the proportion equation
   21,801,282 : 30,086,448.33 = 12,510,553.35 : x
2. Step 2: Convert to fraction form
   21,801,282/30,086,448.33 = 12,510,553.35/x
3. Step 3: Cross multiply
   21,801,282x = 30,086,448.33 × 12,510,553.35
4. Step 4: Simplify right side
   21,801,282x = 376,398,116,944,483.38
5. Step 5: Solve for x
   x = 376,398,116,944,483.38/21,801,282
6. Step 6: Final answer
   x = 17,264,953.36