Finding the Fourth Proportional to 2,068.90, 3,103.30 and 608.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.90 : 3,103.30 = 608.02 : x
2. Step 2: Convert to fraction form
   2,068.90/3,103.30 = 608.02/x
3. Step 3: Cross multiply
   2,068.90x = 3,103.30 × 608.02
4. Step 4: Simplify right side
   2,068.90x = 1,886,868.47
5. Step 5: Solve for x
   x = 1,886,868.47/2,068.90
6. Step 6: Final answer
   x = 912.02