Finding the Fourth Proportional to 30,910.72, 42,657.18 and 17,482.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,910.72 : 42,657.18 = 17,482.12 : x
2. Step 2: Convert to fraction form
   30,910.72/42,657.18 = 17,482.12/x
3. Step 3: Cross multiply
   30,910.72x = 42,657.18 × 17,482.12
4. Step 4: Simplify right side
   30,910.72x = 745,737,939.62
5. Step 5: Solve for x
   x = 745,737,939.62/30,910.72
6. Step 6: Final answer
   x = 24,125.54