Finding the Fourth Proportional to 31,563.02, 43,557.15 and 17,222.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,563.02 : 43,557.15 = 17,222.69 : x
2. Step 2: Convert to fraction form
   31,563.02/43,557.15 = 17,222.69/x
3. Step 3: Cross multiply
   31,563.02x = 43,557.15 × 17,222.69
4. Step 4: Simplify right side
   31,563.02x = 750,171,073.95
5. Step 5: Solve for x
   x = 750,171,073.95/31,563.02
6. Step 6: Final answer
   x = 23,767.41