Finding the Fourth Proportional to 123,606.84, 170,583.69 and 69,165.12

Step by Step Solution

1. Step 1: Write the proportion equation
   123,606.84 : 170,583.69 = 69,165.12 : x
2. Step 2: Convert to fraction form
   123,606.84/170,583.69 = 69,165.12/x
3. Step 3: Cross multiply
   123,606.84x = 170,583.69 × 69,165.12
4. Step 4: Simplify right side
   123,606.84x = 11,798,441,388.89
5. Step 5: Solve for x
   x = 11,798,441,388.89/123,606.84
6. Step 6: Final answer
   x = 95,451.36