Finding the Fourth Proportional to 123,969.72, 171,079.44 and 73,659

Step by Step Solution

1. Step 1: Write the proportion equation
   123,969.72 : 171,079.44 = 73,659 : x
2. Step 2: Convert to fraction form
   123,969.72/171,079.44 = 73,659/x
3. Step 3: Cross multiply
   123,969.72x = 171,079.44 × 73,659
4. Step 4: Simplify right side
   123,969.72x = 12,601,540,470.96
5. Step 5: Solve for x
   x = 12,601,540,470.96/123,969.72
6. Step 6: Final answer
   x = 101,650.15