Finding the Fourth Proportional to 123,389.73, 170,276.48 and 69,673.37

Step by Step Solution

1. Step 1: Write the proportion equation
   123,389.73 : 170,276.48 = 69,673.37 : x
2. Step 2: Convert to fraction form
   123,389.73/170,276.48 = 69,673.37/x
3. Step 3: Cross multiply
   123,389.73x = 170,276.48 × 69,673.37
4. Step 4: Simplify right side
   123,389.73x = 11,863,735,254.86
5. Step 5: Solve for x
   x = 11,863,735,254.86/123,389.73
6. Step 6: Final answer
   x = 96,148.48