Finding the Fourth Proportional to 5,300.82, 7,963.53 and 3,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.82 : 7,963.53 = 3,111.10 : x
2. Step 2: Convert to fraction form
   5,300.82/7,963.53 = 3,111.10/x
3. Step 3: Cross multiply
   5,300.82x = 7,963.53 × 3,111.10
4. Step 4: Simplify right side
   5,300.82x = 24,775,338.18
5. Step 5: Solve for x
   x = 24,775,338.18/5,300.82
6. Step 6: Final answer
   x = 4,673.87