Finding the Fourth Proportional to 120,326.06, 166,049.30 and 65,883.17

Step by Step Solution

1. Step 1: Write the proportion equation
   120,326.06 : 166,049.30 = 65,883.17 : x
2. Step 2: Convert to fraction form
   120,326.06/166,049.30 = 65,883.17/x
3. Step 3: Cross multiply
   120,326.06x = 166,049.30 × 65,883.17
4. Step 4: Simplify right side
   120,326.06x = 10,939,853,100.62
5. Step 5: Solve for x
   x = 10,939,853,100.62/120,326.06
6. Step 6: Final answer
   x = 90,918.41