Finding the Fourth Proportional to 2,367.78, 3,266.06 and 1,528.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,367.78 : 3,266.06 = 1,528.16 : x
2. Step 2: Convert to fraction form
   2,367.78/3,266.06 = 1,528.16/x
3. Step 3: Cross multiply
   2,367.78x = 3,266.06 × 1,528.16
4. Step 4: Simplify right side
   2,367.78x = 4,991,062.25
5. Step 5: Solve for x
   x = 4,991,062.25/2,367.78
6. Step 6: Final answer
   x = 2,107.91