Finding the Fourth Proportional to 31,369.98, 43,290.03 and 17,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,369.98 : 43,290.03 = 17,222.72 : x
2. Step 2: Convert to fraction form
   31,369.98/43,290.03 = 17,222.72/x
3. Step 3: Cross multiply
   31,369.98x = 43,290.03 × 17,222.72
4. Step 4: Simplify right side
   31,369.98x = 745,572,238.29
5. Step 5: Solve for x
   x = 745,572,238.29/31,369.98
6. Step 6: Final answer
   x = 23,767.06