Finding the Fourth Proportional to 31,293.69, 43,185.31 and 17,146.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,293.69 : 43,185.31 = 17,146.53 : x
2. Step 2: Convert to fraction form
   31,293.69/43,185.31 = 17,146.53/x
3. Step 3: Cross multiply
   31,293.69x = 43,185.31 × 17,146.53
4. Step 4: Simplify right side
   31,293.69x = 740,478,267.06
5. Step 5: Solve for x
   x = 740,478,267.06/31,293.69
6. Step 6: Final answer
   x = 23,662.23