Finding the Fourth Proportional to 5,131.10, 7,084.06 and 3,340.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.10 : 7,084.06 = 3,340.28 : x
2. Step 2: Convert to fraction form
   5,131.10/7,084.06 = 3,340.28/x
3. Step 3: Cross multiply
   5,131.10x = 7,084.06 × 3,340.28
4. Step 4: Simplify right side
   5,131.10x = 23,662,743.94
5. Step 5: Solve for x
   x = 23,662,743.94/5,131.10
6. Step 6: Final answer
   x = 4,611.63