Finding the Fourth Proportional to 30,960.11, 42,725.52 and 17,531.33

Step by Step Solution

1. Step 1: Write the proportion equation
   30,960.11 : 42,725.52 = 17,531.33 : x
2. Step 2: Convert to fraction form
   30,960.11/42,725.52 = 17,531.33/x
3. Step 3: Cross multiply
   30,960.11x = 42,725.52 × 17,531.33
4. Step 4: Simplify right side
   30,960.11x = 749,034,976.91
5. Step 5: Solve for x
   x = 749,034,976.91/30,960.11
6. Step 6: Final answer
   x = 24,193.55