Finding the Fourth Proportional to 124,139.24, 171,324.72 and 73,168.37

Step by Step Solution

1. Step 1: Write the proportion equation
   124,139.24 : 171,324.72 = 73,168.37 : x
2. Step 2: Convert to fraction form
   124,139.24/171,324.72 = 73,168.37/x
3. Step 3: Cross multiply
   124,139.24x = 171,324.72 × 73,168.37
4. Step 4: Simplify right side
   124,139.24x = 12,535,550,503.11
5. Step 5: Solve for x
   x = 12,535,550,503.11/124,139.24
6. Step 6: Final answer
   x = 100,979.76