Finding the Fourth Proportional to 31,073.84, 42,880.42 and 17,643.33

Step by Step Solution

1. Step 1: Write the proportion equation
   31,073.84 : 42,880.42 = 17,643.33 : x
2. Step 2: Convert to fraction form
   31,073.84/42,880.42 = 17,643.33/x
3. Step 3: Cross multiply
   31,073.84x = 42,880.42 × 17,643.33
4. Step 4: Simplify right side
   31,073.84x = 756,553,422.65
5. Step 5: Solve for x
   x = 756,553,422.65/31,073.84
6. Step 6: Final answer
   x = 24,346.96