Finding the Fourth Proportional to 31,507.92, 43,480.56 and 18,079.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,507.92 : 43,480.56 = 18,079.47 : x
2. Step 2: Convert to fraction form
   31,507.92/43,480.56 = 18,079.47/x
3. Step 3: Cross multiply
   31,507.92x = 43,480.56 × 18,079.47
4. Step 4: Simplify right side
   31,507.92x = 786,105,480.10
5. Step 5: Solve for x
   x = 786,105,480.10/31,507.92
6. Step 6: Final answer
   x = 24,949.46