Finding the Fourth Proportional to 4,013.89, 5,538.38 and 2,245.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,013.89 : 5,538.38 = 2,245.15 : x
2. Step 2: Convert to fraction form
   4,013.89/5,538.38 = 2,245.15/x
3. Step 3: Cross multiply
   4,013.89x = 5,538.38 × 2,245.15
4. Step 4: Simplify right side
   4,013.89x = 12,434,489.55
5. Step 5: Solve for x
   x = 12,434,489.55/4,013.89
6. Step 6: Final answer
   x = 3,097.87