Finding the Fourth Proportional to 42,016.24, 57,981.67 and 22,896.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,016.24 : 57,981.67 = 22,896.18 : x
2. Step 2: Convert to fraction form
   42,016.24/57,981.67 = 22,896.18/x
3. Step 3: Cross multiply
   42,016.24x = 57,981.67 × 22,896.18
4. Step 4: Simplify right side
   42,016.24x = 1,327,558,753.02
5. Step 5: Solve for x
   x = 1,327,558,753.02/42,016.24
6. Step 6: Final answer
   x = 31,596.32