Finding the Fourth Proportional to 7,272.56, 10,035.61 and 4,085.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,272.56 : 10,035.61 = 4,085.69 : x
2. Step 2: Convert to fraction form
   7,272.56/10,035.61 = 4,085.69/x
3. Step 3: Cross multiply
   7,272.56x = 10,035.61 × 4,085.69
4. Step 4: Simplify right side
   7,272.56x = 41,002,410.46
5. Step 5: Solve for x
   x = 41,002,410.46/7,272.56
6. Step 6: Final answer
   x = 5,637.96