Finding the Fourth Proportional to 123,357.78, 170,237.93 and 75,601.94

Step by Step Solution

1. Step 1: Write the proportion equation
   123,357.78 : 170,237.93 = 75,601.94 : x
2. Step 2: Convert to fraction form
   123,357.78/170,237.93 = 75,601.94/x
3. Step 3: Cross multiply
   123,357.78x = 170,237.93 × 75,601.94
4. Step 4: Simplify right side
   123,357.78x = 12,870,316,540.38
5. Step 5: Solve for x
   x = 12,870,316,540.38/123,357.78
6. Step 6: Final answer
   x = 104,333.24