Finding the Fourth Proportional to 9,518.98, 13,136.30 and 5,741.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,518.98 : 13,136.30 = 5,741.42 : x
2. Step 2: Convert to fraction form
   9,518.98/13,136.30 = 5,741.42/x
3. Step 3: Cross multiply
   9,518.98x = 13,136.30 × 5,741.42
4. Step 4: Simplify right side
   9,518.98x = 75,421,015.55
5. Step 5: Solve for x
   x = 75,421,015.55/9,518.98
6. Step 6: Final answer
   x = 7,923.22