Finding the Fourth Proportional to 123,993.27, 170,947.71 and 89,508.93

Step by Step Solution

1. Step 1: Write the proportion equation
   123,993.27 : 170,947.71 = 89,508.93 : x
2. Step 2: Convert to fraction form
   123,993.27/170,947.71 = 89,508.93/x
3. Step 3: Cross multiply
   123,993.27x = 170,947.71 × 89,508.93
4. Step 4: Simplify right side
   123,993.27x = 15,301,346,608.05
5. Step 5: Solve for x
   x = 15,301,346,608.05/123,993.27
6. Step 6: Final answer
   x = 123,404.65