Finding the Fourth Proportional to 42,490.20, 63,677.89 and 16,180.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,490.20 : 63,677.89 = 16,180.59 : x
2. Step 2: Convert to fraction form
   42,490.20/63,677.89 = 16,180.59/x
3. Step 3: Cross multiply
   42,490.20x = 63,677.89 × 16,180.59
4. Step 4: Simplify right side
   42,490.20x = 1,030,345,830.16
5. Step 5: Solve for x
   x = 1,030,345,830.16/42,490.20
6. Step 6: Final answer
   x = 24,249.02