Finding the Fourth Proportional to 7,154.78, 10,735.89 and 5,196.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,154.78 : 10,735.89 = 5,196.56 : x
2. Step 2: Convert to fraction form
   7,154.78/10,735.89 = 5,196.56/x
3. Step 3: Cross multiply
   7,154.78x = 10,735.89 × 5,196.56
4. Step 4: Simplify right side
   7,154.78x = 55,789,652.60
5. Step 5: Solve for x
   x = 55,789,652.60/7,154.78
6. Step 6: Final answer
   x = 7,797.54