Finding the Fourth Proportional to 9,440.69, 13,028.21 and 5,191.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,440.69 : 13,028.21 = 5,191.83 : x
2. Step 2: Convert to fraction form
   9,440.69/13,028.21 = 5,191.83/x
3. Step 3: Cross multiply
   9,440.69x = 13,028.21 × 5,191.83
4. Step 4: Simplify right side
   9,440.69x = 67,640,251.52
5. Step 5: Solve for x
   x = 67,640,251.52/9,440.69
6. Step 6: Final answer
   x = 7,164.76