Finding the Fourth Proportional to 7,185.42, 10,778.54 and 3,292.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,185.42 : 10,778.54 = 3,292.56 : x
2. Step 2: Convert to fraction form
   7,185.42/10,778.54 = 3,292.56/x
3. Step 3: Cross multiply
   7,185.42x = 10,778.54 × 3,292.56
4. Step 4: Simplify right side
   7,185.42x = 35,488,973.20
5. Step 5: Solve for x
   x = 35,488,973.20/7,185.42
6. Step 6: Final answer
   x = 4,939.03