Finding the Fourth Proportional to 31,019.37, 42,805.83 and 17,591.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,019.37 : 42,805.83 = 17,591.86 : x
2. Step 2: Convert to fraction form
   31,019.37/42,805.83 = 17,591.86/x
3. Step 3: Cross multiply
   31,019.37x = 42,805.83 × 17,591.86
4. Step 4: Simplify right side
   31,019.37x = 753,034,168.54
5. Step 5: Solve for x
   x = 753,034,168.54/31,019.37
6. Step 6: Final answer
   x = 24,276.26