Finding the Fourth Proportional to 31,369.70, 43,290.27 and 17,223.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,369.70 : 43,290.27 = 17,223.46 : x
2. Step 2: Convert to fraction form
   31,369.70/43,290.27 = 17,223.46/x
3. Step 3: Cross multiply
   31,369.70x = 43,290.27 × 17,223.46
4. Step 4: Simplify right side
   31,369.70x = 745,607,931.17
5. Step 5: Solve for x
   x = 745,607,931.17/31,369.70
6. Step 6: Final answer
   x = 23,768.41