Finding the Fourth Proportional to 20,761.02, 31,118.31 and 10,901.34

Step by Step Solution

1. Step 1: Write the proportion equation
   20,761.02 : 31,118.31 = 10,901.34 : x
2. Step 2: Convert to fraction form
   20,761.02/31,118.31 = 10,901.34/x
3. Step 3: Cross multiply
   20,761.02x = 31,118.31 × 10,901.34
4. Step 4: Simplify right side
   20,761.02x = 339,231,277.54
5. Step 5: Solve for x
   x = 339,231,277.54/20,761.02
6. Step 6: Final answer
   x = 16,339.82