Finding the Fourth Proportional to 9,451.38, 13,043.71 and 5,203.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,451.38 : 13,043.71 = 5,203.28 : x
2. Step 2: Convert to fraction form
   9,451.38/13,043.71 = 5,203.28/x
3. Step 3: Cross multiply
   9,451.38x = 13,043.71 × 5,203.28
4. Step 4: Simplify right side
   9,451.38x = 67,870,075.37
5. Step 5: Solve for x
   x = 67,870,075.37/9,451.38
6. Step 6: Final answer
   x = 7,180.97