Finding the Fourth Proportional to 7,147.96, 10,722.24 and 1,953.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,147.96 : 10,722.24 = 1,953.82 : x
2. Step 2: Convert to fraction form
   7,147.96/10,722.24 = 1,953.82/x
3. Step 3: Cross multiply
   7,147.96x = 10,722.24 × 1,953.82
4. Step 4: Simplify right side
   7,147.96x = 20,949,326.96
5. Step 5: Solve for x
   x = 20,949,326.96/7,147.96
6. Step 6: Final answer
   x = 2,930.81