Finding the Fourth Proportional to 20,749.34, 31,129.42 and 5,959.46

Step by Step Solution

1. Step 1: Write the proportion equation
   20,749.34 : 31,129.42 = 5,959.46 : x
2. Step 2: Convert to fraction form
   20,749.34/31,129.42 = 5,959.46/x
3. Step 3: Cross multiply
   20,749.34x = 31,129.42 × 5,959.46
4. Step 4: Simplify right side
   20,749.34x = 185,514,533.31
5. Step 5: Solve for x
   x = 185,514,533.31/20,749.34
6. Step 6: Final answer
   x = 8,940.74