Finding the Fourth Proportional to 3,481.89, 4,804.72 and 1,909.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,481.89 : 4,804.72 = 1,909.98 : x
2. Step 2: Convert to fraction form
   3,481.89/4,804.72 = 1,909.98/x
3. Step 3: Cross multiply
   3,481.89x = 4,804.72 × 1,909.98
4. Step 4: Simplify right side
   3,481.89x = 9,176,914.33
5. Step 5: Solve for x
   x = 9,176,914.33/3,481.89
6. Step 6: Final answer
   x = 2,635.62