Finding the Fourth Proportional to 30,749.83, 42,436.71 and 17,831.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,749.83 : 42,436.71 = 17,831.75 : x
2. Step 2: Convert to fraction form
   30,749.83/42,436.71 = 17,831.75/x
3. Step 3: Cross multiply
   30,749.83x = 42,436.71 × 17,831.75
4. Step 4: Simplify right side
   30,749.83x = 756,720,591.36
5. Step 5: Solve for x
   x = 756,720,591.36/30,749.83
6. Step 6: Final answer
   x = 24,608.94