Finding the Fourth Proportional to 22,391.01, 30,898.58 and 12,319.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,391.01 : 30,898.58 = 12,319.29 : x
2. Step 2: Convert to fraction form
   22,391.01/30,898.58 = 12,319.29/x
3. Step 3: Cross multiply
   22,391.01x = 30,898.58 × 12,319.29
4. Step 4: Simplify right side
   22,391.01x = 380,648,506.01
5. Step 5: Solve for x
   x = 380,648,506.01/22,391.01
6. Step 6: Final answer
   x = 17,000.06