Finding the Fourth Proportional to 105,919.41, 146,104.59 and 62,870.54

Step by Step Solution

1. Step 1: Write the proportion equation
   105,919.41 : 146,104.59 = 62,870.54 : x
2. Step 2: Convert to fraction form
   105,919.41/146,104.59 = 62,870.54/x
3. Step 3: Cross multiply
   105,919.41x = 146,104.59 × 62,870.54
4. Step 4: Simplify right side
   105,919.41x = 9,185,673,739.26
5. Step 5: Solve for x
   x = 9,185,673,739.26/105,919.41
6. Step 6: Final answer
   x = 86,723.23