Finding the Fourth Proportional to 123,223.74, 170,066.28 and 69,513.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,223.74 : 170,066.28 = 69,513.72 : x
2. Step 2: Convert to fraction form
   123,223.74/170,066.28 = 69,513.72/x
3. Step 3: Cross multiply
   123,223.74x = 170,066.28 × 69,513.72
4. Step 4: Simplify right side
   123,223.74x = 11,821,939,769.36
5. Step 5: Solve for x
   x = 11,821,939,769.36/123,223.74
6. Step 6: Final answer
   x = 95,938.82