Finding the Fourth Proportional to 2,069.91, 3,104.72 and 608.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.91 : 3,104.72 = 608.94 : x
2. Step 2: Convert to fraction form
   2,069.91/3,104.72 = 608.94/x
3. Step 3: Cross multiply
   2,069.91x = 3,104.72 × 608.94
4. Step 4: Simplify right side
   2,069.91x = 1,890,585.15
5. Step 5: Solve for x
   x = 1,890,585.15/2,069.91
6. Step 6: Final answer
   x = 913.37