Finding the Fourth Proportional to 31,136.52, 42,968.17 and 17,707.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,136.52 : 42,968.17 = 17,707.76 : x
2. Step 2: Convert to fraction form
   31,136.52/42,968.17 = 17,707.76/x
3. Step 3: Cross multiply
   31,136.52x = 42,968.17 × 17,707.76
4. Step 4: Simplify right side
   31,136.52x = 760,869,738.62
5. Step 5: Solve for x
   x = 760,869,738.62/31,136.52
6. Step 6: Final answer
   x = 24,436.57