Finding the Fourth Proportional to 42,508.80, 63,760.72 and 16,216.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,508.80 : 63,760.72 = 16,216.20 : x
2. Step 2: Convert to fraction form
   42,508.80/63,760.72 = 16,216.20/x
3. Step 3: Cross multiply
   42,508.80x = 63,760.72 × 16,216.20
4. Step 4: Simplify right side
   42,508.80x = 1,033,956,587.66
5. Step 5: Solve for x
   x = 1,033,956,587.66/42,508.80
6. Step 6: Final answer
   x = 24,323.35