Finding the Fourth Proportional to 82,078.79, 123,118.18 and 19,749.29

Step by Step Solution

1. Step 1: Write the proportion equation
   82,078.79 : 123,118.18 = 19,749.29 : x
2. Step 2: Convert to fraction form
   82,078.79/123,118.18 = 19,749.29/x
3. Step 3: Cross multiply
   82,078.79x = 123,118.18 × 19,749.29
4. Step 4: Simplify right side
   82,078.79x = 2,431,495,976.13
5. Step 5: Solve for x
   x = 2,431,495,976.13/82,078.79
6. Step 6: Final answer
   x = 29,623.93