Finding the Fourth Proportional to 31,095.93, 42,920.76 and 17,667.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,095.93 : 42,920.76 = 17,667.75 : x
2. Step 2: Convert to fraction form
   31,095.93/42,920.76 = 17,667.75/x
3. Step 3: Cross multiply
   31,095.93x = 42,920.76 × 17,667.75
4. Step 4: Simplify right side
   31,095.93x = 758,313,257.49
5. Step 5: Solve for x
   x = 758,313,257.49/31,095.93
6. Step 6: Final answer
   x = 24,386.25