Finding the Fourth Proportional to 2,071.72, 3,103.67 and 1,607.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.72 : 3,103.67 = 1,607.23 : x
2. Step 2: Convert to fraction form
   2,071.72/3,103.67 = 1,607.23/x
3. Step 3: Cross multiply
   2,071.72x = 3,103.67 × 1,607.23
4. Step 4: Simplify right side
   2,071.72x = 4,988,311.53
5. Step 5: Solve for x
   x = 4,988,311.53/2,071.72
6. Step 6: Final answer
   x = 2,407.81