Finding the Fourth Proportional to 42,581.27, 58,717.59 and 31,809.26

Step by Step Solution

1. Step 1: Write the proportion equation
   42,581.27 : 58,717.59 = 31,809.26 : x
2. Step 2: Convert to fraction form
   42,581.27/58,717.59 = 31,809.26/x
3. Step 3: Cross multiply
   42,581.27x = 58,717.59 × 31,809.26
4. Step 4: Simplify right side
   42,581.27x = 1,867,762,793.30
5. Step 5: Solve for x
   x = 1,867,762,793.30/42,581.27
6. Step 6: Final answer
   x = 43,863.49