Finding the Fourth Proportional to 59,660.27, 89,484.24 and 20,216.36

Step by Step Solution

1. Step 1: Write the proportion equation
   59,660.27 : 89,484.24 = 20,216.36 : x
2. Step 2: Convert to fraction form
   59,660.27/89,484.24 = 20,216.36/x
3. Step 3: Cross multiply
   59,660.27x = 89,484.24 × 20,216.36
4. Step 4: Simplify right side
   59,660.27x = 1,809,045,162.75
5. Step 5: Solve for x
   x = 1,809,045,162.75/59,660.27
6. Step 6: Final answer
   x = 30,322.45