Finding the Fourth Proportional to 9,756.72, 14,635.92 and 7,156.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,756.72 : 14,635.92 = 7,156.55 : x
2. Step 2: Convert to fraction form
   9,756.72/14,635.92 = 7,156.55/x
3. Step 3: Cross multiply
   9,756.72x = 14,635.92 × 7,156.55
4. Step 4: Simplify right side
   9,756.72x = 104,742,693.28
5. Step 5: Solve for x
   x = 104,742,693.28/9,756.72
6. Step 6: Final answer
   x = 10,735.44