Finding the Fourth Proportional to 16,390.72, 24,594.56 and 7,623.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,390.72 : 24,594.56 = 7,623.04 : x
2. Step 2: Convert to fraction form
   16,390.72/24,594.56 = 7,623.04/x
3. Step 3: Cross multiply
   16,390.72x = 24,594.56 × 7,623.04
4. Step 4: Simplify right side
   16,390.72x = 187,485,314.66
5. Step 5: Solve for x
   x = 187,485,314.66/16,390.72
6. Step 6: Final answer
   x = 11,438.50