Finding the Fourth Proportional to 30,830.09, 42,545.67 and 17,401.91

Step by Step Solution

1. Step 1: Write the proportion equation
   30,830.09 : 42,545.67 = 17,401.91 : x
2. Step 2: Convert to fraction form
   30,830.09/42,545.67 = 17,401.91/x
3. Step 3: Cross multiply
   30,830.09x = 42,545.67 × 17,401.91
4. Step 4: Simplify right side
   30,830.09x = 740,375,920.23
5. Step 5: Solve for x
   x = 740,375,920.23/30,830.09
6. Step 6: Final answer
   x = 24,014.72