Finding the Fourth Proportional to 123,258.86, 170,087.55 and 69,556.94

Step by Step Solution

1. Step 1: Write the proportion equation
   123,258.86 : 170,087.55 = 69,556.94 : x
2. Step 2: Convert to fraction form
   123,258.86/170,087.55 = 69,556.94/x
3. Step 3: Cross multiply
   123,258.86x = 170,087.55 × 69,556.94
4. Step 4: Simplify right side
   123,258.86x = 11,830,769,510.10
5. Step 5: Solve for x
   x = 11,830,769,510.10/123,258.86
6. Step 6: Final answer
   x = 95,983.12