Finding the Fourth Proportional to 120,412.52, 166,167.39 and 65,964.26

Step by Step Solution

1. Step 1: Write the proportion equation
   120,412.52 : 166,167.39 = 65,964.26 : x
2. Step 2: Convert to fraction form
   120,412.52/166,167.39 = 65,964.26/x
3. Step 3: Cross multiply
   120,412.52x = 166,167.39 × 65,964.26
4. Step 4: Simplify right side
   120,412.52x = 10,961,108,917.48
5. Step 5: Solve for x
   x = 10,961,108,917.48/120,412.52
6. Step 6: Final answer
   x = 91,029.64