Finding the Fourth Proportional to 5,350.84, 7,382.90 and 3,111.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,350.84 : 7,382.90 = 3,111.37 : x
2. Step 2: Convert to fraction form
   5,350.84/7,382.90 = 3,111.37/x
3. Step 3: Cross multiply
   5,350.84x = 7,382.90 × 3,111.37
4. Step 4: Simplify right side
   5,350.84x = 22,970,922.89
5. Step 5: Solve for x
   x = 22,970,922.89/5,350.84
6. Step 6: Final answer
   x = 4,292.96