Finding the Fourth Proportional to 31,658.34, 43,684.72 and 18,233.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,658.34 : 43,684.72 = 18,233.96 : x
2. Step 2: Convert to fraction form
   31,658.34/43,684.72 = 18,233.96/x
3. Step 3: Cross multiply
   31,658.34x = 43,684.72 × 18,233.96
4. Step 4: Simplify right side
   31,658.34x = 796,545,418.81
5. Step 5: Solve for x
   x = 796,545,418.81/31,658.34
6. Step 6: Final answer
   x = 25,160.68