Finding the Fourth Proportional to 7,333.28, 10,120.66 and 4,189.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,333.28 : 10,120.66 = 4,189.94 : x
2. Step 2: Convert to fraction form
   7,333.28/10,120.66 = 4,189.94/x
3. Step 3: Cross multiply
   7,333.28x = 10,120.66 × 4,189.94
4. Step 4: Simplify right side
   7,333.28x = 42,404,958.16
5. Step 5: Solve for x
   x = 42,404,958.16/7,333.28
6. Step 6: Final answer
   x = 5,782.54