Finding the Fourth Proportional to 31,816.38, 43,902.63 and 17,667.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,816.38 : 43,902.63 = 17,667.30 : x
2. Step 2: Convert to fraction form
   31,816.38/43,902.63 = 17,667.30/x
3. Step 3: Cross multiply
   31,816.38x = 43,902.63 × 17,667.30
4. Step 4: Simplify right side
   31,816.38x = 775,640,935.00
5. Step 5: Solve for x
   x = 775,640,935.00/31,816.38
6. Step 6: Final answer
   x = 24,378.67