Finding the Fourth Proportional to 57,817.89, 86,714.89 and 22,267

Step by Step Solution

1. Step 1: Write the proportion equation
   57,817.89 : 86,714.89 = 22,267 : x
2. Step 2: Convert to fraction form
   57,817.89/86,714.89 = 22,267/x
3. Step 3: Cross multiply
   57,817.89x = 86,714.89 × 22,267
4. Step 4: Simplify right side
   57,817.89x = 1,930,880,455.63
5. Step 5: Solve for x
   x = 1,930,880,455.63/57,817.89
6. Step 6: Final answer
   x = 33,395.90