Finding the Fourth Proportional to 31,136.60, 42,968.58 and 17,707.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,136.60 : 42,968.58 = 17,707.52 : x
2. Step 2: Convert to fraction form
   31,136.60/42,968.58 = 17,707.52/x
3. Step 3: Cross multiply
   31,136.60x = 42,968.58 × 17,707.52
4. Step 4: Simplify right side
   31,136.60x = 760,866,989.72
5. Step 5: Solve for x
   x = 760,866,989.72/31,136.60
6. Step 6: Final answer
   x = 24,436.42