Finding the Fourth Proportional to 7,327.28, 10,116.23 and 5,645.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,327.28 : 10,116.23 = 5,645.49 : x
2. Step 2: Convert to fraction form
   7,327.28/10,116.23 = 5,645.49/x
3. Step 3: Cross multiply
   7,327.28x = 10,116.23 × 5,645.49
4. Step 4: Simplify right side
   7,327.28x = 57,111,047.08
5. Step 5: Solve for x
   x = 57,111,047.08/7,327.28
6. Step 6: Final answer
   x = 7,794.31