Finding the Fourth Proportional to 7,642.26, 10,544.72 and 4,993.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,642.26 : 10,544.72 = 4,993.56 : x
2. Step 2: Convert to fraction form
   7,642.26/10,544.72 = 4,993.56/x
3. Step 3: Cross multiply
   7,642.26x = 10,544.72 × 4,993.56
4. Step 4: Simplify right side
   7,642.26x = 52,655,667.04
5. Step 5: Solve for x
   x = 52,655,667.04/7,642.26
6. Step 6: Final answer
   x = 6,890.06