Finding the Fourth Proportional to 2,068.30, 3,103.10 and 607.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.30 : 3,103.10 = 607.47 : x
2. Step 2: Convert to fraction form
   2,068.30/3,103.10 = 607.47/x
3. Step 3: Cross multiply
   2,068.30x = 3,103.10 × 607.47
4. Step 4: Simplify right side
   2,068.30x = 1,885,040.16
5. Step 5: Solve for x
   x = 1,885,040.16/2,068.30
6. Step 6: Final answer
   x = 911.40