Finding the Fourth Proportional to 31,222.88, 43,086.69 and 17,075.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,222.88 : 43,086.69 = 17,075.42 : x
2. Step 2: Convert to fraction form
   31,222.88/43,086.69 = 17,075.42/x
3. Step 3: Cross multiply
   31,222.88x = 43,086.69 × 17,075.42
4. Step 4: Simplify right side
   31,222.88x = 735,723,112.73
5. Step 5: Solve for x
   x = 735,723,112.73/31,222.88
6. Step 6: Final answer
   x = 23,563.59