Finding the Fourth Proportional to 31,399.88, 43,327.22 and 17,969

Step by Step Solution

1. Step 1: Write the proportion equation
   31,399.88 : 43,327.22 = 17,969 : x
2. Step 2: Convert to fraction form
   31,399.88/43,327.22 = 17,969/x
3. Step 3: Cross multiply
   31,399.88x = 43,327.22 × 17,969
4. Step 4: Simplify right side
   31,399.88x = 778,546,816.18
5. Step 5: Solve for x
   x = 778,546,816.18/31,399.88
6. Step 6: Final answer
   x = 24,794.58