Finding the Fourth Proportional to 32,890.50, 45,388.89 and 17,986.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,890.50 : 45,388.89 = 17,986.50 : x
2. Step 2: Convert to fraction form
   32,890.50/45,388.89 = 17,986.50/x
3. Step 3: Cross multiply
   32,890.50x = 45,388.89 × 17,986.50
4. Step 4: Simplify right side
   32,890.50x = 816,387,269.99
5. Step 5: Solve for x
   x = 816,387,269.99/32,890.50
6. Step 6: Final answer
   x = 24,821.37