Finding the Fourth Proportional to 31,805.84, 43,892.56 and 17,658.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,805.84 : 43,892.56 = 17,658.72 : x
2. Step 2: Convert to fraction form
   31,805.84/43,892.56 = 17,658.72/x
3. Step 3: Cross multiply
   31,805.84x = 43,892.56 × 17,658.72
4. Step 4: Simplify right side
   31,805.84x = 775,086,427.12
5. Step 5: Solve for x
   x = 775,086,427.12/31,805.84
6. Step 6: Final answer
   x = 24,369.31