Finding the Fourth Proportional to 123,977.60, 171,132.96 and 73,676

Step by Step Solution

1. Step 1: Write the proportion equation
   123,977.60 : 171,132.96 = 73,676 : x
2. Step 2: Convert to fraction form
   123,977.60/171,132.96 = 73,676/x
3. Step 3: Cross multiply
   123,977.60x = 171,132.96 × 73,676
4. Step 4: Simplify right side
   123,977.60x = 12,608,391,960.96
5. Step 5: Solve for x
   x = 12,608,391,960.96/123,977.60
6. Step 6: Final answer
   x = 101,698.95