Finding the Fourth Proportional to 31,868.10, 43,976.16 and 17,718.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,868.10 : 43,976.16 = 17,718.12 : x
2. Step 2: Convert to fraction form
   31,868.10/43,976.16 = 17,718.12/x
3. Step 3: Cross multiply
   31,868.10x = 43,976.16 × 17,718.12
4. Step 4: Simplify right side
   31,868.10x = 779,174,880.02
5. Step 5: Solve for x
   x = 779,174,880.02/31,868.10
6. Step 6: Final answer
   x = 24,449.99