Finding the Fourth Proportional to 7,153.82, 10,729.09 and 1,960.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,153.82 : 10,729.09 = 1,960.10 : x
2. Step 2: Convert to fraction form
   7,153.82/10,729.09 = 1,960.10/x
3. Step 3: Cross multiply
   7,153.82x = 10,729.09 × 1,960.10
4. Step 4: Simplify right side
   7,153.82x = 21,030,089.31
5. Step 5: Solve for x
   x = 21,030,089.31/7,153.82
6. Step 6: Final answer
   x = 2,939.70