Finding the Fourth Proportional to 105,942.21, 146,164.56 and 59,995.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,942.21 : 146,164.56 = 59,995.56 : x
2. Step 2: Convert to fraction form
   105,942.21/146,164.56 = 59,995.56/x
3. Step 3: Cross multiply
   105,942.21x = 146,164.56 × 59,995.56
4. Step 4: Simplify right side
   105,942.21x = 8,769,224,629.35
5. Step 5: Solve for x
   x = 8,769,224,629.35/105,942.21
6. Step 6: Final answer
   x = 82,773.66