Finding the Fourth Proportional to 2,068.52, 3,104.22 and 913.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.52 : 3,104.22 = 913.64 : x
2. Step 2: Convert to fraction form
   2,068.52/3,104.22 = 913.64/x
3. Step 3: Cross multiply
   2,068.52x = 3,104.22 × 913.64
4. Step 4: Simplify right side
   2,068.52x = 2,836,139.56
5. Step 5: Solve for x
   x = 2,836,139.56/2,068.52
6. Step 6: Final answer
   x = 1,371.10