Finding the Fourth Proportional to 11,540.00, 17,311.50 and 4,145.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,540.00 : 17,311.50 = 4,145.28 : x
2. Step 2: Convert to fraction form
   11,540.00/17,311.50 = 4,145.28/x
3. Step 3: Cross multiply
   11,540.00x = 17,311.50 × 4,145.28
4. Step 4: Simplify right side
   11,540.00x = 71,761,014.72
5. Step 5: Solve for x
   x = 71,761,014.72/11,540.00
6. Step 6: Final answer
   x = 6,218.46