Finding the Fourth Proportional to 123,956.22, 171,060.75 and 73,645.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,956.22 : 171,060.75 = 73,645.50 : x
2. Step 2: Convert to fraction form
   123,956.22/171,060.75 = 73,645.50/x
3. Step 3: Cross multiply
   123,956.22x = 171,060.75 × 73,645.50
4. Step 4: Simplify right side
   123,956.22x = 12,597,854,464.13
5. Step 5: Solve for x
   x = 12,597,854,464.13/123,956.22
6. Step 6: Final answer
   x = 101,631.48