Finding the Fourth Proportional to 20,761.29, 31,141.13 and 5,970.15

Step by Step Solution

1. Step 1: Write the proportion equation
   20,761.29 : 31,141.13 = 5,970.15 : x
2. Step 2: Convert to fraction form
   20,761.29/31,141.13 = 5,970.15/x
3. Step 3: Cross multiply
   20,761.29x = 31,141.13 × 5,970.15
4. Step 4: Simplify right side
   20,761.29x = 185,917,187.42
5. Step 5: Solve for x
   x = 185,917,187.42/20,761.29
6. Step 6: Final answer
   x = 8,954.99