Finding the Fourth Proportional to 30,865.79, 42,601.78 and 17,444.83

Step by Step Solution

1. Step 1: Write the proportion equation
   30,865.79 : 42,601.78 = 17,444.83 : x
2. Step 2: Convert to fraction form
   30,865.79/42,601.78 = 17,444.83/x
3. Step 3: Cross multiply
   30,865.79x = 42,601.78 × 17,444.83
4. Step 4: Simplify right side
   30,865.79x = 743,180,665.70
5. Step 5: Solve for x
   x = 743,180,665.70/30,865.79
6. Step 6: Final answer
   x = 24,077.81