Finding the Fourth Proportional to 21,562,617.42, 29,756,012.99 and 12,269,981.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,562,617.42 : 29,756,012.99 = 12,269,981.52 : x
2. Step 2: Convert to fraction form
   21,562,617.42/29,756,012.99 = 12,269,981.52/x
3. Step 3: Cross multiply
   21,562,617.42x = 29,756,012.99 × 12,269,981.52
4. Step 4: Simplify right side
   21,562,617.42x = 365,105,729,434,830
5. Step 5: Solve for x
   x = 365,105,729,434,830/21,562,617.42
6. Step 6: Final answer
   x = 16,932,347.42