Finding the Fourth Proportional to 72,986.27, 109,479.20 and 17,582.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,986.27 : 109,479.20 = 17,582.27 : x
2. Step 2: Convert to fraction form
   72,986.27/109,479.20 = 17,582.27/x
3. Step 3: Cross multiply
   72,986.27x = 109,479.20 × 17,582.27
4. Step 4: Simplify right side
   72,986.27x = 1,924,892,218.48
5. Step 5: Solve for x
   x = 1,924,892,218.48/72,986.27
6. Step 6: Final answer
   x = 26,373.35