Finding the Fourth Proportional to 31,591, 43,593.52 and 17,443.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,591 : 43,593.52 = 17,443.72 : x
2. Step 2: Convert to fraction form
   31,591/43,593.52 = 17,443.72/x
3. Step 3: Cross multiply
   31,591x = 43,593.52 × 17,443.72
4. Step 4: Simplify right side
   31,591x = 760,433,156.69
5. Step 5: Solve for x
   x = 760,433,156.69/31,591
6. Step 6: Final answer
   x = 24,071.20