Finding the Fourth Proportional to 3,691.86, 5,094.78 and 2,013.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691.86 : 5,094.78 = 2,013.24 : x
2. Step 2: Convert to fraction form
   3,691.86/5,094.78 = 2,013.24/x
3. Step 3: Cross multiply
   3,691.86x = 5,094.78 × 2,013.24
4. Step 4: Simplify right side
   3,691.86x = 10,257,014.89
5. Step 5: Solve for x
   x = 10,257,014.89/3,691.86
6. Step 6: Final answer
   x = 2,778.28