Finding the Fourth Proportional to 23,092.29, 31,866.82 and 13,020.35

Step by Step Solution

1. Step 1: Write the proportion equation
   23,092.29 : 31,866.82 = 13,020.35 : x
2. Step 2: Convert to fraction form
   23,092.29/31,866.82 = 13,020.35/x
3. Step 3: Cross multiply
   23,092.29x = 31,866.82 × 13,020.35
4. Step 4: Simplify right side
   23,092.29x = 414,916,957.90
5. Step 5: Solve for x
   x = 414,916,957.90/23,092.29
6. Step 6: Final answer
   x = 17,967.77