Finding the Fourth Proportional to 120,300.36, 166,018.41 and 69,309.08

Step by Step Solution

1. Step 1: Write the proportion equation
   120,300.36 : 166,018.41 = 69,309.08 : x
2. Step 2: Convert to fraction form
   120,300.36/166,018.41 = 69,309.08/x
3. Step 3: Cross multiply
   120,300.36x = 166,018.41 × 69,309.08
4. Step 4: Simplify right side
   120,300.36x = 11,506,583,986.49
5. Step 5: Solve for x
   x = 11,506,583,986.49/120,300.36
6. Step 6: Final answer
   x = 95,648.79