Finding the Fourth Proportional to 7,956.85, 10,895.57 and 7,643.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,956.85 : 10,895.57 = 7,643.15 : x
2. Step 2: Convert to fraction form
   7,956.85/10,895.57 = 7,643.15/x
3. Step 3: Cross multiply
   7,956.85x = 10,895.57 × 7,643.15
4. Step 4: Simplify right side
   7,956.85x = 83,276,437.63
5. Step 5: Solve for x
   x = 83,276,437.63/7,956.85
6. Step 6: Final answer
   x = 10,466.01