Finding the Fourth Proportional to 31,092.90, 42,906.63 and 17,662.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,092.90 : 42,906.63 = 17,662.38 : x
2. Step 2: Convert to fraction form
   31,092.90/42,906.63 = 17,662.38/x
3. Step 3: Cross multiply
   31,092.90x = 42,906.63 × 17,662.38
4. Step 4: Simplify right side
   31,092.90x = 757,833,203.58
5. Step 5: Solve for x
   x = 757,833,203.58/31,092.90
6. Step 6: Final answer
   x = 24,373.19