Finding the Fourth Proportional to 82,111.79, 123,167.48 and 19,782.29

Step by Step Solution

1. Step 1: Write the proportion equation
   82,111.79 : 123,167.48 = 19,782.29 : x
2. Step 2: Convert to fraction form
   82,111.79/123,167.48 = 19,782.29/x
3. Step 3: Cross multiply
   82,111.79x = 123,167.48 × 19,782.29
4. Step 4: Simplify right side
   82,111.79x = 2,436,535,016.94
5. Step 5: Solve for x
   x = 2,436,535,016.94/82,111.79
6. Step 6: Final answer
   x = 29,673.39