Finding the Fourth Proportional to 123,678.42, 170,676.27 and 69,962.31

Step by Step Solution

1. Step 1: Write the proportion equation
   123,678.42 : 170,676.27 = 69,962.31 : x
2. Step 2: Convert to fraction form
   123,678.42/170,676.27 = 69,962.31/x
3. Step 3: Cross multiply
   123,678.42x = 170,676.27 × 69,962.31
4. Step 4: Simplify right side
   123,678.42x = 11,940,906,111.38
5. Step 5: Solve for x
   x = 11,940,906,111.38/123,678.42
6. Step 6: Final answer
   x = 96,548.02