Finding the Fourth Proportional to 105,086, 144,998.84 and 62,648.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,086 : 144,998.84 = 62,648.48 : x
2. Step 2: Convert to fraction form
   105,086/144,998.84 = 62,648.48/x
3. Step 3: Cross multiply
   105,086x = 144,998.84 × 62,648.48
4. Step 4: Simplify right side
   105,086x = 9,083,956,927.76
5. Step 5: Solve for x
   x = 9,083,956,927.76/105,086
6. Step 6: Final answer
   x = 86,443.07