Finding the Fourth Proportional to 7,308.72, 10,964.70 and 3,411

Step by Step Solution

1. Step 1: Write the proportion equation
   7,308.72 : 10,964.70 = 3,411 : x
2. Step 2: Convert to fraction form
   7,308.72/10,964.70 = 3,411/x
3. Step 3: Cross multiply
   7,308.72x = 10,964.70 × 3,411
4. Step 4: Simplify right side
   7,308.72x = 37,400,591.70
5. Step 5: Solve for x
   x = 37,400,591.70/7,308.72
6. Step 6: Final answer
   x = 5,117.26