Finding the Fourth Proportional to 9,433.99, 13,021.31 and 5,454.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,433.99 : 13,021.31 = 5,454.59 : x
2. Step 2: Convert to fraction form
   9,433.99/13,021.31 = 5,454.59/x
3. Step 3: Cross multiply
   9,433.99x = 13,021.31 × 5,454.59
4. Step 4: Simplify right side
   9,433.99x = 71,025,907.31
5. Step 5: Solve for x
   x = 71,025,907.31/9,433.99
6. Step 6: Final answer
   x = 7,528.72