Finding the Fourth Proportional to 20,131.98, 30,062.40 and 16,441.53

Step by Step Solution

1. Step 1: Write the proportion equation
   20,131.98 : 30,062.40 = 16,441.53 : x
2. Step 2: Convert to fraction form
   20,131.98/30,062.40 = 16,441.53/x
3. Step 3: Cross multiply
   20,131.98x = 30,062.40 × 16,441.53
4. Step 4: Simplify right side
   20,131.98x = 494,271,851.47
5. Step 5: Solve for x
   x = 494,271,851.47/20,131.98
6. Step 6: Final answer
   x = 24,551.58