Finding the Fourth Proportional to 2,068.70, 3,103.02 and 607.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.70 : 3,103.02 = 607.82 : x
2. Step 2: Convert to fraction form
   2,068.70/3,103.02 = 607.82/x
3. Step 3: Cross multiply
   2,068.70x = 3,103.02 × 607.82
4. Step 4: Simplify right side
   2,068.70x = 1,886,062.10
5. Step 5: Solve for x
   x = 1,886,062.10/2,068.70
6. Step 6: Final answer
   x = 911.72