Finding the Fourth Proportional to 2,216.76, 3,320.46 and 1,336.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.76 : 3,320.46 = 1,336.52 : x
2. Step 2: Convert to fraction form
   2,216.76/3,320.46 = 1,336.52/x
3. Step 3: Cross multiply
   2,216.76x = 3,320.46 × 1,336.52
4. Step 4: Simplify right side
   2,216.76x = 4,437,844.60
5. Step 5: Solve for x
   x = 4,437,844.60/2,216.76
6. Step 6: Final answer
   x = 2,001.95