Finding the Fourth Proportional to 30,961.16, 42,734.05 and 17,540.33

Step by Step Solution

1. Step 1: Write the proportion equation
   30,961.16 : 42,734.05 = 17,540.33 : x
2. Step 2: Convert to fraction form
   30,961.16/42,734.05 = 17,540.33/x
3. Step 3: Cross multiply
   30,961.16x = 42,734.05 × 17,540.33
4. Step 4: Simplify right side
   30,961.16x = 749,569,081.72
5. Step 5: Solve for x
   x = 749,569,081.72/30,961.16
6. Step 6: Final answer
   x = 24,209.98