Finding the Fourth Proportional to 123,786.46, 170,825.83 and 70,081.81

Step by Step Solution

1. Step 1: Write the proportion equation
   123,786.46 : 170,825.83 = 70,081.81 : x
2. Step 2: Convert to fraction form
   123,786.46/170,825.83 = 70,081.81/x
3. Step 3: Cross multiply
   123,786.46x = 170,825.83 × 70,081.81
4. Step 4: Simplify right side
   123,786.46x = 11,971,782,758.88
5. Step 5: Solve for x
   x = 11,971,782,758.88/123,786.46
6. Step 6: Final answer
   x = 96,713.18