Finding the Fourth Proportional to 5,422.73, 7,484.15 and 3,185.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,422.73 : 7,484.15 = 3,185.82 : x
2. Step 2: Convert to fraction form
   5,422.73/7,484.15 = 3,185.82/x
3. Step 3: Cross multiply
   5,422.73x = 7,484.15 × 3,185.82
4. Step 4: Simplify right side
   5,422.73x = 23,843,138.82
5. Step 5: Solve for x
   x = 23,843,138.82/5,422.73
6. Step 6: Final answer
   x = 4,396.89