Finding the Fourth Proportional to 7,151.40, 10,725.89 and 1,956.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,151.40 : 10,725.89 = 1,956.06 : x
2. Step 2: Convert to fraction form
   7,151.40/10,725.89 = 1,956.06/x
3. Step 3: Cross multiply
   7,151.40x = 10,725.89 × 1,956.06
4. Step 4: Simplify right side
   7,151.40x = 20,980,474.61
5. Step 5: Solve for x
   x = 20,980,474.61/7,151.40
6. Step 6: Final answer
   x = 2,933.76