Finding the Fourth Proportional to 2,330.91, 3,216.65 and 1,336.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,330.91 : 3,216.65 = 1,336.10 : x
2. Step 2: Convert to fraction form
   2,330.91/3,216.65 = 1,336.10/x
3. Step 3: Cross multiply
   2,330.91x = 3,216.65 × 1,336.10
4. Step 4: Simplify right side
   2,330.91x = 4,297,743.30
5. Step 5: Solve for x
   x = 4,297,743.30/2,330.91
6. Step 6: Final answer
   x = 1,843.80