Finding the Fourth Proportional to 67,236.49, 100,865.67 and 19,856.37

Step by Step Solution

1. Step 1: Write the proportion equation
   67,236.49 : 100,865.67 = 19,856.37 : x
2. Step 2: Convert to fraction form
   67,236.49/100,865.67 = 19,856.37/x
3. Step 3: Cross multiply
   67,236.49x = 100,865.67 × 19,856.37
4. Step 4: Simplify right side
   67,236.49x = 2,002,826,063.82
5. Step 5: Solve for x
   x = 2,002,826,063.82/67,236.49
6. Step 6: Final answer
   x = 29,787.79