Finding the Fourth Proportional to 21,362.22, 29,474.82 and 12,404.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,362.22 : 29,474.82 = 12,404.52 : x
2. Step 2: Convert to fraction form
   21,362.22/29,474.82 = 12,404.52/x
3. Step 3: Cross multiply
   21,362.22x = 29,474.82 × 12,404.52
4. Step 4: Simplify right side
   21,362.22x = 365,620,994.19
5. Step 5: Solve for x
   x = 365,620,994.19/21,362.22
6. Step 6: Final answer
   x = 17,115.31