Finding the Fourth Proportional to 7,119.72, 9,828.81 and 4,882.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,119.72 : 9,828.81 = 4,882.50 : x
2. Step 2: Convert to fraction form
   7,119.72/9,828.81 = 4,882.50/x
3. Step 3: Cross multiply
   7,119.72x = 9,828.81 × 4,882.50
4. Step 4: Simplify right side
   7,119.72x = 47,989,164.83
5. Step 5: Solve for x
   x = 47,989,164.83/7,119.72
6. Step 6: Final answer
   x = 6,740.32