Finding the Fourth Proportional to 31,095.96, 42,912.43 and 17,667.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,095.96 : 42,912.43 = 17,667.23 : x
2. Step 2: Convert to fraction form
   31,095.96/42,912.43 = 17,667.23/x
3. Step 3: Cross multiply
   31,095.96x = 42,912.43 × 17,667.23
4. Step 4: Simplify right side
   31,095.96x = 758,143,833.78
5. Step 5: Solve for x
   x = 758,143,833.78/31,095.96
6. Step 6: Final answer
   x = 24,380.78