Finding the Fourth Proportional to 105,922,354.38, 146,238,062.76 and 83,984,469.90

Step by Step Solution

1. Step 1: Write the proportion equation
   105,922,354.38 : 146,238,062.76 = 83,984,469.90 : x
2. Step 2: Convert to fraction form
   105,922,354.38/146,238,062.76 = 83,984,469.90/x
3. Step 3: Cross multiply
   105,922,354.38x = 146,238,062.76 × 83,984,469.90
4. Step 4: Simplify right side
   105,922,354.38x = 12,281,726,180,101,530
5. Step 5: Solve for x
   x = 12,281,726,180,101,530/105,922,354.38
6. Step 6: Final answer
   x = 115,950,275.58