Finding the Fourth Proportional to 3,604.53, 4,974.30 and 2,111.97

Step by Step Solution

1. Step 1: Write the proportion equation
   3,604.53 : 4,974.30 = 2,111.97 : x
2. Step 2: Convert to fraction form
   3,604.53/4,974.30 = 2,111.97/x
3. Step 3: Cross multiply
   3,604.53x = 4,974.30 × 2,111.97
4. Step 4: Simplify right side
   3,604.53x = 10,505,572.37
5. Step 5: Solve for x
   x = 10,505,572.37/3,604.53
6. Step 6: Final answer
   x = 2,914.55