Finding the Fourth Proportional to 31,591.36, 43,595.24 and 17,443.90

Step by Step Solution

1. Step 1: Write the proportion equation
   31,591.36 : 43,595.24 = 17,443.90 : x
2. Step 2: Convert to fraction form
   31,591.36/43,595.24 = 17,443.90/x
3. Step 3: Cross multiply
   31,591.36x = 43,595.24 × 17,443.90
4. Step 4: Simplify right side
   31,591.36x = 760,471,007.04
5. Step 5: Solve for x
   x = 760,471,007.04/31,591.36
6. Step 6: Final answer
   x = 24,072.12