Finding the Fourth Proportional to 32,920.50, 45,430.32 and 18,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,920.50 : 45,430.32 = 18,016.50 : x
2. Step 2: Convert to fraction form
   32,920.50/45,430.32 = 18,016.50/x
3. Step 3: Cross multiply
   32,920.50x = 45,430.32 × 18,016.50
4. Step 4: Simplify right side
   32,920.50x = 818,495,360.28
5. Step 5: Solve for x
   x = 818,495,360.28/32,920.50
6. Step 6: Final answer
   x = 24,862.79