Finding the Fourth Proportional to 2,068.61, 3,103.40 and 607.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.61 : 3,103.40 = 607.73 : x
2. Step 2: Convert to fraction form
   2,068.61/3,103.40 = 607.73/x
3. Step 3: Cross multiply
   2,068.61x = 3,103.40 × 607.73
4. Step 4: Simplify right side
   2,068.61x = 1,886,015.28
5. Step 5: Solve for x
   x = 1,886,015.28/2,068.61
6. Step 6: Final answer
   x = 911.73