Finding the Fourth Proportional to 269,821, 404,751.48 and 103,609

Step by Step Solution

1. Step 1: Write the proportion equation
   269,821 : 404,751.48 = 103,609 : x
2. Step 2: Convert to fraction form
   269,821/404,751.48 = 103,609/x
3. Step 3: Cross multiply
   269,821x = 404,751.48 × 103,609
4. Step 4: Simplify right side
   269,821x = 41,935,896,091.32
5. Step 5: Solve for x
   x = 41,935,896,091.32/269,821
6. Step 6: Final answer
   x = 155,421.17