Finding the Fourth Proportional to 123,329.33, 170,176.23 and 72,322.82

Step by Step Solution

1. Step 1: Write the proportion equation
   123,329.33 : 170,176.23 = 72,322.82 : x
2. Step 2: Convert to fraction form
   123,329.33/170,176.23 = 72,322.82/x
3. Step 3: Cross multiply
   123,329.33x = 170,176.23 × 72,322.82
4. Step 4: Simplify right side
   123,329.33x = 12,307,624,850.57
5. Step 5: Solve for x
   x = 12,307,624,850.57/123,329.33
6. Step 6: Final answer
   x = 99,794.79