Finding the Fourth Proportional to 123,883.20, 170,963.51 and 69,436.37

Step by Step Solution

1. Step 1: Write the proportion equation
   123,883.20 : 170,963.51 = 69,436.37 : x
2. Step 2: Convert to fraction form
   123,883.20/170,963.51 = 69,436.37/x
3. Step 3: Cross multiply
   123,883.20x = 170,963.51 × 69,436.37
4. Step 4: Simplify right side
   123,883.20x = 11,871,085,536.86
5. Step 5: Solve for x
   x = 11,871,085,536.86/123,883.20
6. Step 6: Final answer
   x = 95,824.82