Finding the Fourth Proportional to 5,357.82, 7,393.41 and 3,119.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,357.82 : 7,393.41 = 3,119.61 : x
2. Step 2: Convert to fraction form
   5,357.82/7,393.41 = 3,119.61/x
3. Step 3: Cross multiply
   5,357.82x = 7,393.41 × 3,119.61
4. Step 4: Simplify right side
   5,357.82x = 23,064,555.77
5. Step 5: Solve for x
   x = 23,064,555.77/5,357.82
6. Step 6: Final answer
   x = 4,304.84