Finding the Fourth Proportional to 120,334.09, 166,054.73 and 65,875.82

Step by Step Solution

1. Step 1: Write the proportion equation
   120,334.09 : 166,054.73 = 65,875.82 : x
2. Step 2: Convert to fraction form
   120,334.09/166,054.73 = 65,875.82/x
3. Step 3: Cross multiply
   120,334.09x = 166,054.73 × 65,875.82
4. Step 4: Simplify right side
   120,334.09x = 10,938,991,668.32
5. Step 5: Solve for x
   x = 10,938,991,668.32/120,334.09
6. Step 6: Final answer
   x = 90,905.18