Finding the Fourth Proportional to 269,545.62, 404,275.56 and 89,616.09

Step by Step Solution

1. Step 1: Write the proportion equation
   269,545.62 : 404,275.56 = 89,616.09 : x
2. Step 2: Convert to fraction form
   269,545.62/404,275.56 = 89,616.09/x
3. Step 3: Cross multiply
   269,545.62x = 404,275.56 × 89,616.09
4. Step 4: Simplify right side
   269,545.62x = 36,229,594,969.76
5. Step 5: Solve for x
   x = 36,229,594,969.76/269,545.62
6. Step 6: Final answer
   x = 134,409.88