Finding the Fourth Proportional to 123,678.75, 170,676.72 and 69,962.62

Step by Step Solution

1. Step 1: Write the proportion equation
   123,678.75 : 170,676.72 = 69,962.62 : x
2. Step 2: Convert to fraction form
   123,678.75/170,676.72 = 69,962.62/x
3. Step 3: Cross multiply
   123,678.75x = 170,676.72 × 69,962.62
4. Step 4: Simplify right side
   123,678.75x = 11,940,990,504.21
5. Step 5: Solve for x
   x = 11,940,990,504.21/123,678.75
6. Step 6: Final answer
   x = 96,548.44