Finding the Fourth Proportional to 123,042.10, 184,563.15 and 83,676.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,042.10 : 184,563.15 = 83,676.10 : x
2. Step 2: Convert to fraction form
   123,042.10/184,563.15 = 83,676.10/x
3. Step 3: Cross multiply
   123,042.10x = 184,563.15 × 83,676.10
4. Step 4: Simplify right side
   123,042.10x = 15,443,524,595.72
5. Step 5: Solve for x
   x = 15,443,524,595.72/123,042.10
6. Step 6: Final answer
   x = 125,514.15