Finding the Fourth Proportional to 123,799.05, 170,846.78 and 70,082.96

Step by Step Solution

1. Step 1: Write the proportion equation
   123,799.05 : 170,846.78 = 70,082.96 : x
2. Step 2: Convert to fraction form
   123,799.05/170,846.78 = 70,082.96/x
3. Step 3: Cross multiply
   123,799.05x = 170,846.78 × 70,082.96
4. Step 4: Simplify right side
   123,799.05x = 11,973,446,844.22
5. Step 5: Solve for x
   x = 11,973,446,844.22/123,799.05
6. Step 6: Final answer
   x = 96,716.79