Finding the Fourth Proportional to 2,068.76, 3,103.16 and 607.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.76 : 3,103.16 = 607.94 : x
2. Step 2: Convert to fraction form
   2,068.76/3,103.16 = 607.94/x
3. Step 3: Cross multiply
   2,068.76x = 3,103.16 × 607.94
4. Step 4: Simplify right side
   2,068.76x = 1,886,544.37
5. Step 5: Solve for x
   x = 1,886,544.37/2,068.76
6. Step 6: Final answer
   x = 911.92