Finding the Fourth Proportional to 30,510.72, 42,105.15 and 17,083.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,510.72 : 42,105.15 = 17,083.15 : x
2. Step 2: Convert to fraction form
   30,510.72/42,105.15 = 17,083.15/x
3. Step 3: Cross multiply
   30,510.72x = 42,105.15 × 17,083.15
4. Step 4: Simplify right side
   30,510.72x = 719,288,487.96
5. Step 5: Solve for x
   x = 719,288,487.96/30,510.72
6. Step 6: Final answer
   x = 23,574.94