Finding the Fourth Proportional to 111,059.46, 166,586.42 and 51,961.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,059.46 : 166,586.42 = 51,961.25 : x
2. Step 2: Convert to fraction form
   111,059.46/166,586.42 = 51,961.25/x
3. Step 3: Cross multiply
   111,059.46x = 166,586.42 × 51,961.25
4. Step 4: Simplify right side
   111,059.46x = 8,656,039,162.59
5. Step 5: Solve for x
   x = 8,656,039,162.59/111,059.46
6. Step 6: Final answer
   x = 77,940.58