Finding the Fourth Proportional to 105,922,379.16, 146,238,096.96 and 83,984,494.68

Step by Step Solution

1. Step 1: Write the proportion equation
   105,922,379.16 : 146,238,096.96 = 83,984,494.68 : x
2. Step 2: Convert to fraction form
   105,922,379.16/146,238,096.96 = 83,984,494.68/x
3. Step 3: Cross multiply
   105,922,379.16x = 146,238,096.96 × 83,984,494.68
4. Step 4: Simplify right side
   105,922,379.16x = 12,281,732,676,150,446
5. Step 5: Solve for x
   x = 12,281,732,676,150,446/105,922,379.16
6. Step 6: Final answer
   x = 115,950,309.78