Finding the Fourth Proportional to 23,480.72, 32,418.24 and 16,424

Step by Step Solution

1. Step 1: Write the proportion equation
   23,480.72 : 32,418.24 = 16,424 : x
2. Step 2: Convert to fraction form
   23,480.72/32,418.24 = 16,424/x
3. Step 3: Cross multiply
   23,480.72x = 32,418.24 × 16,424
4. Step 4: Simplify right side
   23,480.72x = 532,437,173.76
5. Step 5: Solve for x
   x = 532,437,173.76/23,480.72
6. Step 6: Final answer
   x = 22,675.50