Finding the Fourth Proportional to 30,864.56, 42,593.15 and 16,717.41

Step by Step Solution

1. Step 1: Write the proportion equation
   30,864.56 : 42,593.15 = 16,717.41 : x
2. Step 2: Convert to fraction form
   30,864.56/42,593.15 = 16,717.41/x
3. Step 3: Cross multiply
   30,864.56x = 42,593.15 × 16,717.41
4. Step 4: Simplify right side
   30,864.56x = 712,047,068.15
5. Step 5: Solve for x
   x = 712,047,068.15/30,864.56
6. Step 6: Final answer
   x = 23,070.06