Finding the Fourth Proportional to 123,828.26, 170,884.82 and 70,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,828.26 : 170,884.82 = 70,111.76 : x
2. Step 2: Convert to fraction form
   123,828.26/170,884.82 = 70,111.76/x
3. Step 3: Cross multiply
   123,828.26x = 170,884.82 × 70,111.76
4. Step 4: Simplify right side
   123,828.26x = 11,981,034,808.34
5. Step 5: Solve for x
   x = 11,981,034,808.34/123,828.26
6. Step 6: Final answer
   x = 96,755.26