Finding the Fourth Proportional to 2,001.56, 2,762.37 and 1,216.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,001.56 : 2,762.37 = 1,216.04 : x
2. Step 2: Convert to fraction form
   2,001.56/2,762.37 = 1,216.04/x
3. Step 3: Cross multiply
   2,001.56x = 2,762.37 × 1,216.04
4. Step 4: Simplify right side
   2,001.56x = 3,359,138.60
5. Step 5: Solve for x
   x = 3,359,138.60/2,001.56
6. Step 6: Final answer
   x = 1,678.26