Finding the Fourth Proportional to 31,090.50, 42,906.71 and 17,662.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,090.50 : 42,906.71 = 17,662.32 : x
2. Step 2: Convert to fraction form
   31,090.50/42,906.71 = 17,662.32/x
3. Step 3: Cross multiply
   31,090.50x = 42,906.71 × 17,662.32
4. Step 4: Simplify right side
   31,090.50x = 757,832,086.32
5. Step 5: Solve for x
   x = 757,832,086.32/31,090.50
6. Step 6: Final answer
   x = 24,375.04