Finding the Fourth Proportional to 20,593.34, 31,042.24 and 19,389.29

Step by Step Solution

1. Step 1: Write the proportion equation
   20,593.34 : 31,042.24 = 19,389.29 : x
2. Step 2: Convert to fraction form
   20,593.34/31,042.24 = 19,389.29/x
3. Step 3: Cross multiply
   20,593.34x = 31,042.24 × 19,389.29
4. Step 4: Simplify right side
   20,593.34x = 601,887,152.72
5. Step 5: Solve for x
   x = 601,887,152.72/20,593.34
6. Step 6: Final answer
   x = 29,227.27