Finding the Fourth Proportional to 82,262.81, 123,394.91 and 19,933.31

Step by Step Solution

1. Step 1: Write the proportion equation
   82,262.81 : 123,394.91 = 19,933.31 : x
2. Step 2: Convert to fraction form
   82,262.81/123,394.91 = 19,933.31/x
3. Step 3: Cross multiply
   82,262.81x = 123,394.91 × 19,933.31
4. Step 4: Simplify right side
   82,262.81x = 2,459,669,202.27
5. Step 5: Solve for x
   x = 2,459,669,202.27/82,262.81
6. Step 6: Final answer
   x = 29,900.14