Finding the Fourth Proportional to 9,745.84, 13,449.72 and 5,554

Step by Step Solution

1. Step 1: Write the proportion equation
   9,745.84 : 13,449.72 = 5,554 : x
2. Step 2: Convert to fraction form
   9,745.84/13,449.72 = 5,554/x
3. Step 3: Cross multiply
   9,745.84x = 13,449.72 × 5,554
4. Step 4: Simplify right side
   9,745.84x = 74,699,744.88
5. Step 5: Solve for x
   x = 74,699,744.88/9,745.84
6. Step 6: Final answer
   x = 7,664.78