Finding the Fourth Proportional to 123,208.50, 170,017.95 and 69,476.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,208.50 : 170,017.95 = 69,476.34 : x
2. Step 2: Convert to fraction form
   123,208.50/170,017.95 = 69,476.34/x
3. Step 3: Cross multiply
   123,208.50x = 170,017.95 × 69,476.34
4. Step 4: Simplify right side
   123,208.50x = 11,812,224,900.30
5. Step 5: Solve for x
   x = 11,812,224,900.30/123,208.50
6. Step 6: Final answer
   x = 95,871.83