Finding the Fourth Proportional to 11,409.52, 17,121.15 and 4,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,409.52 : 17,121.15 = 4,019.50 : x
2. Step 2: Convert to fraction form
   11,409.52/17,121.15 = 4,019.50/x
3. Step 3: Cross multiply
   11,409.52x = 17,121.15 × 4,019.50
4. Step 4: Simplify right side
   11,409.52x = 68,818,462.43
5. Step 5: Solve for x
   x = 68,818,462.43/11,409.52
6. Step 6: Final answer
   x = 6,031.67