Finding the Fourth Proportional to 124,126.72, 171,330.04 and 73,168.96

Step by Step Solution

1. Step 1: Write the proportion equation
   124,126.72 : 171,330.04 = 73,168.96 : x
2. Step 2: Convert to fraction form
   124,126.72/171,330.04 = 73,168.96/x
3. Step 3: Cross multiply
   124,126.72x = 171,330.04 × 73,168.96
4. Step 4: Simplify right side
   124,126.72x = 12,536,040,843.56
5. Step 5: Solve for x
   x = 12,536,040,843.56/124,126.72
6. Step 6: Final answer
   x = 100,993.89