Finding the Fourth Proportional to 31,456.60, 43,410.54 and 17,310.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,456.60 : 43,410.54 = 17,310.04 : x
2. Step 2: Convert to fraction form
   31,456.60/43,410.54 = 17,310.04/x
3. Step 3: Cross multiply
   31,456.60x = 43,410.54 × 17,310.04
4. Step 4: Simplify right side
   31,456.60x = 751,438,183.82
5. Step 5: Solve for x
   x = 751,438,183.82/31,456.60
6. Step 6: Final answer
   x = 23,888.09