Finding the Fourth Proportional to 82,241.84, 123,362.64 and 19,912.32

Step by Step Solution

1. Step 1: Write the proportion equation
   82,241.84 : 123,362.64 = 19,912.32 : x
2. Step 2: Convert to fraction form
   82,241.84/123,362.64 = 19,912.32/x
3. Step 3: Cross multiply
   82,241.84x = 123,362.64 × 19,912.32
4. Step 4: Simplify right side
   82,241.84x = 2,456,436,363.72
5. Step 5: Solve for x
   x = 2,456,436,363.72/82,241.84
6. Step 6: Final answer
   x = 29,868.45