Finding the Fourth Proportional to 31,226.28, 43,091.76 and 17,079

Step by Step Solution

1. Step 1: Write the proportion equation
   31,226.28 : 43,091.76 = 17,079 : x
2. Step 2: Convert to fraction form
   31,226.28/43,091.76 = 17,079/x
3. Step 3: Cross multiply
   31,226.28x = 43,091.76 × 17,079
4. Step 4: Simplify right side
   31,226.28x = 735,964,169.04
5. Step 5: Solve for x
   x = 735,964,169.04/31,226.28
6. Step 6: Final answer
   x = 23,568.74