Finding the Fourth Proportional to 30,236.34, 41,744.79 and 19,485

Step by Step Solution

1. Step 1: Write the proportion equation
   30,236.34 : 41,744.79 = 19,485 : x
2. Step 2: Convert to fraction form
   30,236.34/41,744.79 = 19,485/x
3. Step 3: Cross multiply
   30,236.34x = 41,744.79 × 19,485
4. Step 4: Simplify right side
   30,236.34x = 813,397,233.15
5. Step 5: Solve for x
   x = 813,397,233.15/30,236.34
6. Step 6: Final answer
   x = 26,901.31