Finding the Fourth Proportional to 31,589, 43,601.52 and 19,645.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,589 : 43,601.52 = 19,645.24 : x
2. Step 2: Convert to fraction form
   31,589/43,601.52 = 19,645.24/x
3. Step 3: Cross multiply
   31,589x = 43,601.52 × 19,645.24
4. Step 4: Simplify right side
   31,589x = 856,562,324.76
5. Step 5: Solve for x
   x = 856,562,324.76/31,589
6. Step 6: Final answer
   x = 27,115.84