Finding the Fourth Proportional to 9,454.43, 13,045.67 and 5,474.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,454.43 : 13,045.67 = 5,474.78 : x
2. Step 2: Convert to fraction form
   9,454.43/13,045.67 = 5,474.78/x
3. Step 3: Cross multiply
   9,454.43x = 13,045.67 × 5,474.78
4. Step 4: Simplify right side
   9,454.43x = 71,422,080.60
5. Step 5: Solve for x
   x = 71,422,080.60/9,454.43
6. Step 6: Final answer
   x = 7,554.35