Finding the Fourth Proportional to 2,371.20, 3,554.56 and 2,112

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371.20 : 3,554.56 = 2,112 : x
2. Step 2: Convert to fraction form
   2,371.20/3,554.56 = 2,112/x
3. Step 3: Cross multiply
   2,371.20x = 3,554.56 × 2,112
4. Step 4: Simplify right side
   2,371.20x = 7,507,230.72
5. Step 5: Solve for x
   x = 7,507,230.72/2,371.20
6. Step 6: Final answer
   x = 3,166.00