Finding the Fourth Proportional to 123,924.80, 171,030.96 and 73,624

Step by Step Solution

1. Step 1: Write the proportion equation
   123,924.80 : 171,030.96 = 73,624 : x
2. Step 2: Convert to fraction form
   123,924.80/171,030.96 = 73,624/x
3. Step 3: Cross multiply
   123,924.80x = 171,030.96 × 73,624
4. Step 4: Simplify right side
   123,924.80x = 12,591,983,399.04
5. Step 5: Solve for x
   x = 12,591,983,399.04/123,924.80
6. Step 6: Final answer
   x = 101,609.87