Finding the Fourth Proportional to 31,399.52, 43,334.12 and 17,968.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,399.52 : 43,334.12 = 17,968.10 : x
2. Step 2: Convert to fraction form
   31,399.52/43,334.12 = 17,968.10/x
3. Step 3: Cross multiply
   31,399.52x = 43,334.12 × 17,968.10
4. Step 4: Simplify right side
   31,399.52x = 778,631,629.82
5. Step 5: Solve for x
   x = 778,631,629.82/31,399.52
6. Step 6: Final answer
   x = 24,797.57