Finding the Fourth Proportional to 30,521.67, 42,119.51 and 17,092.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,521.67 : 42,119.51 = 17,092.82 : x
2. Step 2: Convert to fraction form
   30,521.67/42,119.51 = 17,092.82/x
3. Step 3: Cross multiply
   30,521.67x = 42,119.51 × 17,092.82
4. Step 4: Simplify right side
   30,521.67x = 719,940,906.86
5. Step 5: Solve for x
   x = 719,940,906.86/30,521.67
6. Step 6: Final answer
   x = 23,587.86