Finding the Fourth Proportional to 42,400.46, 63,581.56 and 16,086.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,400.46 : 63,581.56 = 16,086.60 : x
2. Step 2: Convert to fraction form
   42,400.46/63,581.56 = 16,086.60/x
3. Step 3: Cross multiply
   42,400.46x = 63,581.56 × 16,086.60
4. Step 4: Simplify right side
   42,400.46x = 1,022,811,082.88
5. Step 5: Solve for x
   x = 1,022,811,082.88/42,400.46
6. Step 6: Final answer
   x = 24,122.64