Finding the Fourth Proportional to 13,760.87, 18,989.61 and 7,793.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,760.87 : 18,989.61 = 7,793.10 : x
2. Step 2: Convert to fraction form
   13,760.87/18,989.61 = 7,793.10/x
3. Step 3: Cross multiply
   13,760.87x = 18,989.61 × 7,793.10
4. Step 4: Simplify right side
   13,760.87x = 147,987,929.69
5. Step 5: Solve for x
   x = 147,987,929.69/13,760.87
6. Step 6: Final answer
   x = 10,754.26