Finding the Fourth Proportional to 32,920, 45,429.60 and 18,016

Step by Step Solution

1. Step 1: Write the proportion equation
   32,920 : 45,429.60 = 18,016 : x
2. Step 2: Convert to fraction form
   32,920/45,429.60 = 18,016/x
3. Step 3: Cross multiply
   32,920x = 45,429.60 × 18,016
4. Step 4: Simplify right side
   32,920x = 818,459,673.60
5. Step 5: Solve for x
   x = 818,459,673.60/32,920
6. Step 6: Final answer
   x = 24,862.08