Finding the Fourth Proportional to 123,500.97, 185,499.45 and 73,678.28

Step by Step Solution

1. Step 1: Write the proportion equation
   123,500.97 : 185,499.45 = 73,678.28 : x
2. Step 2: Convert to fraction form
   123,500.97/185,499.45 = 73,678.28/x
3. Step 3: Cross multiply
   123,500.97x = 185,499.45 × 73,678.28
4. Step 4: Simplify right side
   123,500.97x = 13,667,279,489.45
5. Step 5: Solve for x
   x = 13,667,279,489.45/123,500.97
6. Step 6: Final answer
   x = 110,665.36