Finding the Fourth Proportional to 42,439.56, 63,634.50 and 16,146.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,439.56 : 63,634.50 = 16,146.24 : x
2. Step 2: Convert to fraction form
   42,439.56/63,634.50 = 16,146.24/x
3. Step 3: Cross multiply
   42,439.56x = 63,634.50 × 16,146.24
4. Step 4: Simplify right side
   42,439.56x = 1,027,457,909.28
5. Step 5: Solve for x
   x = 1,027,457,909.28/42,439.56
6. Step 6: Final answer
   x = 24,209.91