Finding the Fourth Proportional to 3,807.89, 5,253.33 and 2,481.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,807.89 : 5,253.33 = 2,481.11 : x
2. Step 2: Convert to fraction form
   3,807.89/5,253.33 = 2,481.11/x
3. Step 3: Cross multiply
   3,807.89x = 5,253.33 × 2,481.11
4. Step 4: Simplify right side
   3,807.89x = 13,034,063.33
5. Step 5: Solve for x
   x = 13,034,063.33/3,807.89
6. Step 6: Final answer
   x = 3,422.91