Finding the Fourth Proportional to 31,137.84, 42,968.52 and 17,707.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,137.84 : 42,968.52 = 17,707.23 : x
2. Step 2: Convert to fraction form
   31,137.84/42,968.52 = 17,707.23/x
3. Step 3: Cross multiply
   31,137.84x = 42,968.52 × 17,707.23
4. Step 4: Simplify right side
   31,137.84x = 760,853,466.40
5. Step 5: Solve for x
   x = 760,853,466.40/31,137.84
6. Step 6: Final answer
   x = 24,435.01