Finding the Fourth Proportional to 5,350.82, 7,387.61 and 4,790.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,350.82 : 7,387.61 = 4,790.34 : x
2. Step 2: Convert to fraction form
   5,350.82/7,387.61 = 4,790.34/x
3. Step 3: Cross multiply
   5,350.82x = 7,387.61 × 4,790.34
4. Step 4: Simplify right side
   5,350.82x = 35,389,139.74
5. Step 5: Solve for x
   x = 35,389,139.74/5,350.82
6. Step 6: Final answer
   x = 6,613.78