Finding the Fourth Proportional to 120,337.37, 166,059.23 and 65,879.10

Step by Step Solution

1. Step 1: Write the proportion equation
   120,337.37 : 166,059.23 = 65,879.10 : x
2. Step 2: Convert to fraction form
   120,337.37/166,059.23 = 65,879.10/x
3. Step 3: Cross multiply
   120,337.37x = 166,059.23 × 65,879.10
4. Step 4: Simplify right side
   120,337.37x = 10,939,832,289.70
5. Step 5: Solve for x
   x = 10,939,832,289.70/120,337.37
6. Step 6: Final answer
   x = 90,909.69