Finding the Fourth Proportional to 123,667.75, 170,661.50 and 69,951.61

Step by Step Solution

1. Step 1: Write the proportion equation
   123,667.75 : 170,661.50 = 69,951.61 : x
2. Step 2: Convert to fraction form
   123,667.75/170,661.50 = 69,951.61/x
3. Step 3: Cross multiply
   123,667.75x = 170,661.50 × 69,951.61
4. Step 4: Simplify right side
   123,667.75x = 11,938,046,690.02
5. Step 5: Solve for x
   x = 11,938,046,690.02/123,667.75
6. Step 6: Final answer
   x = 96,533.22