Finding the Fourth Proportional to 111,059.69, 166,586.77 and 51,961.49

Step by Step Solution

1. Step 1: Write the proportion equation
   111,059.69 : 166,586.77 = 51,961.49 : x
2. Step 2: Convert to fraction form
   111,059.69/166,586.77 = 51,961.49/x
3. Step 3: Cross multiply
   111,059.69x = 166,586.77 × 51,961.49
4. Step 4: Simplify right side
   111,059.69x = 8,656,096,474.00
5. Step 5: Solve for x
   x = 8,656,096,474.00/111,059.69
6. Step 6: Final answer
   x = 77,940.94