Finding the Fourth Proportional to 9,958.98, 13,743.39 and 5,482.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,958.98 : 13,743.39 = 5,482.90 : x
2. Step 2: Convert to fraction form
   9,958.98/13,743.39 = 5,482.90/x
3. Step 3: Cross multiply
   9,958.98x = 13,743.39 × 5,482.90
4. Step 4: Simplify right side
   9,958.98x = 75,353,633.03
5. Step 5: Solve for x
   x = 75,353,633.03/9,958.98
6. Step 6: Final answer
   x = 7,566.40