Finding the Fourth Proportional to 270,081.89, 404,905.74 and 185,591.71

Step by Step Solution

1. Step 1: Write the proportion equation
   270,081.89 : 404,905.74 = 185,591.71 : x
2. Step 2: Convert to fraction form
   270,081.89/404,905.74 = 185,591.71/x
3. Step 3: Cross multiply
   270,081.89x = 404,905.74 × 185,591.71
4. Step 4: Simplify right side
   270,081.89x = 75,147,146,207.98
5. Step 5: Solve for x
   x = 75,147,146,207.98/270,081.89
6. Step 6: Final answer
   x = 278,238.37