Finding the Fourth Proportional to 22,563.03, 31,138.05 and 13,004.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,563.03 : 31,138.05 = 13,004.34 : x
2. Step 2: Convert to fraction form
   22,563.03/31,138.05 = 13,004.34/x
3. Step 3: Cross multiply
   22,563.03x = 31,138.05 × 13,004.34
4. Step 4: Simplify right side
   22,563.03x = 404,929,789.14
5. Step 5: Solve for x
   x = 404,929,789.14/22,563.03
6. Step 6: Final answer
   x = 17,946.61