Finding the Fourth Proportional to 7,789.49, 10,741.31 and 5,133.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,789.49 : 10,741.31 = 5,133.50 : x
2. Step 2: Convert to fraction form
   7,789.49/10,741.31 = 5,133.50/x
3. Step 3: Cross multiply
   7,789.49x = 10,741.31 × 5,133.50
4. Step 4: Simplify right side
   7,789.49x = 55,140,527.72
5. Step 5: Solve for x
   x = 55,140,527.72/7,789.49
6. Step 6: Final answer
   x = 7,078.84