Finding the Fourth Proportional to 107,846.69, 161,520.55 and 104,109.89

Step by Step Solution

1. Step 1: Write the proportion equation
   107,846.69 : 161,520.55 = 104,109.89 : x
2. Step 2: Convert to fraction form
   107,846.69/161,520.55 = 104,109.89/x
3. Step 3: Cross multiply
   107,846.69x = 161,520.55 × 104,109.89
4. Step 4: Simplify right side
   107,846.69x = 16,815,885,625.36
5. Step 5: Solve for x
   x = 16,815,885,625.36/107,846.69
6. Step 6: Final answer
   x = 155,923.99