Finding the Fourth Proportional to 2,068.86, 3,103.10 and 608.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.86 : 3,103.10 = 608.10 : x
2. Step 2: Convert to fraction form
   2,068.86/3,103.10 = 608.10/x
3. Step 3: Cross multiply
   2,068.86x = 3,103.10 × 608.10
4. Step 4: Simplify right side
   2,068.86x = 1,886,995.11
5. Step 5: Solve for x
   x = 1,886,995.11/2,068.86
6. Step 6: Final answer
   x = 912.09