Finding the Fourth Proportional to 11,628.54, 17,451.72 and 5,790.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,628.54 : 17,451.72 = 5,790.06 : x
2. Step 2: Convert to fraction form
   11,628.54/17,451.72 = 5,790.06/x
3. Step 3: Cross multiply
   11,628.54x = 17,451.72 × 5,790.06
4. Step 4: Simplify right side
   11,628.54x = 101,046,505.90
5. Step 5: Solve for x
   x = 101,046,505.90/11,628.54
6. Step 6: Final answer
   x = 8,689.53