Finding the Fourth Proportional to 31,270.82, 43,153.76 and 17,123.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,270.82 : 43,153.76 = 17,123.67 : x
2. Step 2: Convert to fraction form
   31,270.82/43,153.76 = 17,123.67/x
3. Step 3: Cross multiply
   31,270.82x = 43,153.76 × 17,123.67
4. Step 4: Simplify right side
   31,270.82x = 738,950,552.00
5. Step 5: Solve for x
   x = 738,950,552.00/31,270.82
6. Step 6: Final answer
   x = 23,630.67