Finding the Fourth Proportional to 32,890.61, 45,388.37 and 17,986.61

Step by Step Solution

1. Step 1: Write the proportion equation
   32,890.61 : 45,388.37 = 17,986.61 : x
2. Step 2: Convert to fraction form
   32,890.61/45,388.37 = 17,986.61/x
3. Step 3: Cross multiply
   32,890.61x = 45,388.37 × 17,986.61
4. Step 4: Simplify right side
   32,890.61x = 816,382,819.79
5. Step 5: Solve for x
   x = 816,382,819.79/32,890.61
6. Step 6: Final answer
   x = 24,821.15