Finding the Fourth Proportional to 7,200.09, 10,774.47 and 4,979.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200.09 : 10,774.47 = 4,979.37 : x
2. Step 2: Convert to fraction form
   7,200.09/10,774.47 = 4,979.37/x
3. Step 3: Cross multiply
   7,200.09x = 10,774.47 × 4,979.37
4. Step 4: Simplify right side
   7,200.09x = 53,650,063.35
5. Step 5: Solve for x
   x = 53,650,063.35/7,200.09
6. Step 6: Final answer
   x = 7,451.31