Finding the Fourth Proportional to 31,468.14, 43,426.18 and 18,040.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,468.14 : 43,426.18 = 18,040.18 : x
2. Step 2: Convert to fraction form
   31,468.14/43,426.18 = 18,040.18/x
3. Step 3: Cross multiply
   31,468.14x = 43,426.18 × 18,040.18
4. Step 4: Simplify right side
   31,468.14x = 783,416,103.91
5. Step 5: Solve for x
   x = 783,416,103.91/31,468.14
6. Step 6: Final answer
   x = 24,895.53