Finding the Fourth Proportional to 31,164.84, 43,007.76 and 17,018.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,164.84 : 43,007.76 = 17,018.28 : x
2. Step 2: Convert to fraction form
   31,164.84/43,007.76 = 17,018.28/x
3. Step 3: Cross multiply
   31,164.84x = 43,007.76 × 17,018.28
4. Step 4: Simplify right side
   31,164.84x = 731,918,101.85
5. Step 5: Solve for x
   x = 731,918,101.85/31,164.84
6. Step 6: Final answer
   x = 23,485.38