Finding the Fourth Proportional to 123,608.49, 170,583.06 and 69,901.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,608.49 : 170,583.06 = 69,901.50 : x
2. Step 2: Convert to fraction form
   123,608.49/170,583.06 = 69,901.50/x
3. Step 3: Cross multiply
   123,608.49x = 170,583.06 × 69,901.50
4. Step 4: Simplify right side
   123,608.49x = 11,924,011,768.59
5. Step 5: Solve for x
   x = 11,924,011,768.59/123,608.49
6. Step 6: Final answer
   x = 96,465.96