Finding the Fourth Proportional to 31,064.43, 42,868.59 and 16,917.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,064.43 : 42,868.59 = 16,917.27 : x
2. Step 2: Convert to fraction form
   31,064.43/42,868.59 = 16,917.27/x
3. Step 3: Cross multiply
   31,064.43x = 42,868.59 × 16,917.27
4. Step 4: Simplify right side
   31,064.43x = 725,219,623.65
5. Step 5: Solve for x
   x = 725,219,623.65/31,064.43
6. Step 6: Final answer
   x = 23,345.66