Finding the Fourth Proportional to 31,462.88, 43,418.76 and 17,316.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,462.88 : 43,418.76 = 17,316.56 : x
2. Step 2: Convert to fraction form
   31,462.88/43,418.76 = 17,316.56/x
3. Step 3: Cross multiply
   31,462.88x = 43,418.76 × 17,316.56
4. Step 4: Simplify right side
   31,462.88x = 751,863,562.67
5. Step 5: Solve for x
   x = 751,863,562.67/31,462.88
6. Step 6: Final answer
   x = 23,896.84