Finding the Fourth Proportional to 16,978.96, 25,293.38 and 16,463.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,978.96 : 25,293.38 = 16,463.08 : x
2. Step 2: Convert to fraction form
   16,978.96/25,293.38 = 16,463.08/x
3. Step 3: Cross multiply
   16,978.96x = 25,293.38 × 16,463.08
4. Step 4: Simplify right side
   16,978.96x = 416,406,938.41
5. Step 5: Solve for x
   x = 416,406,938.41/16,978.96
6. Step 6: Final answer
   x = 24,524.88