Finding the Fourth Proportional to 19,896.73, 29,842.86 and 5,105.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,896.73 : 29,842.86 = 5,105.98 : x
2. Step 2: Convert to fraction form
   19,896.73/29,842.86 = 5,105.98/x
3. Step 3: Cross multiply
   19,896.73x = 29,842.86 × 5,105.98
4. Step 4: Simplify right side
   19,896.73x = 152,377,046.30
5. Step 5: Solve for x
   x = 152,377,046.30/19,896.73
6. Step 6: Final answer
   x = 7,658.40