Finding the Fourth Proportional to 30,864.15, 42,592.52 and 16,717.00

Step by Step Solution

1. Step 1: Write the proportion equation
   30,864.15 : 42,592.52 = 16,717.00 : x
2. Step 2: Convert to fraction form
   30,864.15/42,592.52 = 16,717.00/x
3. Step 3: Cross multiply
   30,864.15x = 42,592.52 × 16,717.00
4. Step 4: Simplify right side
   30,864.15x = 712,018,943.88
5. Step 5: Solve for x
   x = 712,018,943.88/30,864.15
6. Step 6: Final answer
   x = 23,069.45