Finding the Fourth Proportional to 7,141.26, 10,711.59 and 1,947.14

Step by Step Solution

1. Step 1: Write the proportion equation
   7,141.26 : 10,711.59 = 1,947.14 : x
2. Step 2: Convert to fraction form
   7,141.26/10,711.59 = 1,947.14/x
3. Step 3: Cross multiply
   7,141.26x = 10,711.59 × 1,947.14
4. Step 4: Simplify right side
   7,141.26x = 20,856,955.61
5. Step 5: Solve for x
   x = 20,856,955.61/7,141.26
6. Step 6: Final answer
   x = 2,920.63