Finding the Fourth Proportional to 9,958.10, 13,741.79 and 5,481.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,958.10 : 13,741.79 = 5,481.56 : x
2. Step 2: Convert to fraction form
   9,958.10/13,741.79 = 5,481.56/x
3. Step 3: Cross multiply
   9,958.10x = 13,741.79 × 5,481.56
4. Step 4: Simplify right side
   9,958.10x = 75,326,453.34
5. Step 5: Solve for x
   x = 75,326,453.34/9,958.10
6. Step 6: Final answer
   x = 7,564.34