Finding the Fourth Proportional to 3,691.89, 5,094.81 and 2,119.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691.89 : 5,094.81 = 2,119.98 : x
2. Step 2: Convert to fraction form
   3,691.89/5,094.81 = 2,119.98/x
3. Step 3: Cross multiply
   3,691.89x = 5,094.81 × 2,119.98
4. Step 4: Simplify right side
   3,691.89x = 10,800,895.30
5. Step 5: Solve for x
   x = 10,800,895.30/3,691.89
6. Step 6: Final answer
   x = 2,925.57