Finding the Fourth Proportional to 9,518.27, 13,133.93 and 5,536.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,518.27 : 13,133.93 = 5,536.31 : x
2. Step 2: Convert to fraction form
   9,518.27/13,133.93 = 5,536.31/x
3. Step 3: Cross multiply
   9,518.27x = 13,133.93 × 5,536.31
4. Step 4: Simplify right side
   9,518.27x = 72,713,513.15
5. Step 5: Solve for x
   x = 72,713,513.15/9,518.27
6. Step 6: Final answer
   x = 7,639.36