Finding the Fourth Proportional to 11,615.67, 17,406.50 and 5,760.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,615.67 : 17,406.50 = 5,760.59 : x
2. Step 2: Convert to fraction form
   11,615.67/17,406.50 = 5,760.59/x
3. Step 3: Cross multiply
   11,615.67x = 17,406.50 × 5,760.59
4. Step 4: Simplify right side
   11,615.67x = 100,271,594.00
5. Step 5: Solve for x
   x = 100,271,594.00/11,615.67
6. Step 6: Final answer
   x = 8,632.44