Finding the Fourth Proportional to 269,830, 404,764.62 and 103,618

Step by Step Solution

1. Step 1: Write the proportion equation
   269,830 : 404,764.62 = 103,618 : x
2. Step 2: Convert to fraction form
   269,830/404,764.62 = 103,618/x
3. Step 3: Cross multiply
   269,830x = 404,764.62 × 103,618
4. Step 4: Simplify right side
   269,830x = 41,940,900,395.16
5. Step 5: Solve for x
   x = 41,940,900,395.16/269,830
6. Step 6: Final answer
   x = 155,434.53