Finding the Fourth Proportional to 11,410.28, 17,111.10 and 4,481

Step by Step Solution

1. Step 1: Write the proportion equation
   11,410.28 : 17,111.10 = 4,481 : x
2. Step 2: Convert to fraction form
   11,410.28/17,111.10 = 4,481/x
3. Step 3: Cross multiply
   11,410.28x = 17,111.10 × 4,481
4. Step 4: Simplify right side
   11,410.28x = 76,674,839.10
5. Step 5: Solve for x
   x = 76,674,839.10/11,410.28
6. Step 6: Final answer
   x = 6,719.80