Finding the Fourth Proportional to 3,691.88, 5,094.71 and 2,119.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691.88 : 5,094.71 = 2,119.94 : x
2. Step 2: Convert to fraction form
   3,691.88/5,094.71 = 2,119.94/x
3. Step 3: Cross multiply
   3,691.88x = 5,094.71 × 2,119.94
4. Step 4: Simplify right side
   3,691.88x = 10,800,468.92
5. Step 5: Solve for x
   x = 10,800,468.92/3,691.88
6. Step 6: Final answer
   x = 2,925.47