Finding the Fourth Proportional to 269,928.42, 404,043.56 and 185,193.12

Step by Step Solution

1. Step 1: Write the proportion equation
   269,928.42 : 404,043.56 = 185,193.12 : x
2. Step 2: Convert to fraction form
   269,928.42/404,043.56 = 185,193.12/x
3. Step 3: Cross multiply
   269,928.42x = 404,043.56 × 185,193.12
4. Step 4: Simplify right side
   269,928.42x = 74,826,087,492.31
5. Step 5: Solve for x
   x = 74,826,087,492.31/269,928.42
6. Step 6: Final answer
   x = 277,207.15