Finding the Fourth Proportional to 16,404.95, 24,570.42 and 7,621.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404.95 : 24,570.42 = 7,621.38 : x
2. Step 2: Convert to fraction form
   16,404.95/24,570.42 = 7,621.38/x
3. Step 3: Cross multiply
   16,404.95x = 24,570.42 × 7,621.38
4. Step 4: Simplify right side
   16,404.95x = 187,260,507.58
5. Step 5: Solve for x
   x = 187,260,507.58/16,404.95
6. Step 6: Final answer
   x = 11,414.88