Finding the Fourth Proportional to 105,910,686, 146,123,154.36 and 64,636,922.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,910,686 : 146,123,154.36 = 64,636,922.16 : x
2. Step 2: Convert to fraction form
   105,910,686/146,123,154.36 = 64,636,922.16/x
3. Step 3: Cross multiply
   105,910,686x = 146,123,154.36 × 64,636,922.16
4. Step 4: Simplify right side
   105,910,686x = 9,444,950,954,140,986
5. Step 5: Solve for x
   x = 9,444,950,954,140,986/105,910,686
6. Step 6: Final answer
   x = 89,178,451.31