Finding the Fourth Proportional to 7,118.54, 10,661.40 and 4,928.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,118.54 : 10,661.40 = 4,928.82 : x
2. Step 2: Convert to fraction form
   7,118.54/10,661.40 = 4,928.82/x
3. Step 3: Cross multiply
   7,118.54x = 10,661.40 × 4,928.82
4. Step 4: Simplify right side
   7,118.54x = 52,548,121.55
5. Step 5: Solve for x
   x = 52,548,121.55/7,118.54
6. Step 6: Final answer
   x = 7,381.87