Finding the Fourth Proportional to 31,640.94, 43,665.41 and 17,494.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,640.94 : 43,665.41 = 17,494.69 : x
2. Step 2: Convert to fraction form
   31,640.94/43,665.41 = 17,494.69/x
3. Step 3: Cross multiply
   31,640.94x = 43,665.41 × 17,494.69
4. Step 4: Simplify right side
   31,640.94x = 763,912,811.67
5. Step 5: Solve for x
   x = 763,912,811.67/31,640.94
6. Step 6: Final answer
   x = 24,143.18