Finding the Fourth Proportional to 7,141.25, 10,710.69 and 1,947.53

Step by Step Solution

1. Step 1: Write the proportion equation
   7,141.25 : 10,710.69 = 1,947.53 : x
2. Step 2: Convert to fraction form
   7,141.25/10,710.69 = 1,947.53/x
3. Step 3: Cross multiply
   7,141.25x = 10,710.69 × 1,947.53
4. Step 4: Simplify right side
   7,141.25x = 20,859,336.54
5. Step 5: Solve for x
   x = 20,859,336.54/7,141.25
6. Step 6: Final answer
   x = 2,920.97