Finding the Fourth Proportional to 31,092.33, 42,907.56 and 17,664.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,092.33 : 42,907.56 = 17,664.32 : x
2. Step 2: Convert to fraction form
   31,092.33/42,907.56 = 17,664.32/x
3. Step 3: Cross multiply
   31,092.33x = 42,907.56 × 17,664.32
4. Step 4: Simplify right side
   31,092.33x = 757,932,750.38
5. Step 5: Solve for x
   x = 757,932,750.38/31,092.33
6. Step 6: Final answer
   x = 24,376.84