Finding the Fourth Proportional to 21,997.33, 30,351.06 and 12,437.41

Step by Step Solution

1. Step 1: Write the proportion equation
   21,997.33 : 30,351.06 = 12,437.41 : x
2. Step 2: Convert to fraction form
   21,997.33/30,351.06 = 12,437.41/x
3. Step 3: Cross multiply
   21,997.33x = 30,351.06 × 12,437.41
4. Step 4: Simplify right side
   21,997.33x = 377,488,577.15
5. Step 5: Solve for x
   x = 377,488,577.15/21,997.33
6. Step 6: Final answer
   x = 17,160.65