Finding the Fourth Proportional to 120,411.51, 166,166.04 and 65,963.26

Step by Step Solution

1. Step 1: Write the proportion equation
   120,411.51 : 166,166.04 = 65,963.26 : x
2. Step 2: Convert to fraction form
   120,411.51/166,166.04 = 65,963.26/x
3. Step 3: Cross multiply
   120,411.51x = 166,166.04 × 65,963.26
4. Step 4: Simplify right side
   120,411.51x = 10,960,853,699.69
5. Step 5: Solve for x
   x = 10,960,853,699.69/120,411.51
6. Step 6: Final answer
   x = 91,028.29