Finding the Fourth Proportional to 5,280.58, 7,287.57 and 2,922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,280.58 : 7,287.57 = 2,922.82 : x
2. Step 2: Convert to fraction form
   5,280.58/7,287.57 = 2,922.82/x
3. Step 3: Cross multiply
   5,280.58x = 7,287.57 × 2,922.82
4. Step 4: Simplify right side
   5,280.58x = 21,300,255.35
5. Step 5: Solve for x
   x = 21,300,255.35/5,280.58
6. Step 6: Final answer
   x = 4,033.70