Finding the Fourth Proportional to 123,357.81, 170,224.27 and 69,648.12

Step by Step Solution

1. Step 1: Write the proportion equation
   123,357.81 : 170,224.27 = 69,648.12 : x
2. Step 2: Convert to fraction form
   123,357.81/170,224.27 = 69,648.12/x
3. Step 3: Cross multiply
   123,357.81x = 170,224.27 × 69,648.12
4. Step 4: Simplify right side
   123,357.81x = 11,855,800,383.87
5. Step 5: Solve for x
   x = 11,855,800,383.87/123,357.81
6. Step 6: Final answer
   x = 96,109.04