Finding the Fourth Proportional to 9,336.37, 12,881.42 and 5,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,336.37 : 12,881.42 = 5,556.50 : x
2. Step 2: Convert to fraction form
   9,336.37/12,881.42 = 5,556.50/x
3. Step 3: Cross multiply
   9,336.37x = 12,881.42 × 5,556.50
4. Step 4: Simplify right side
   9,336.37x = 71,575,610.23
5. Step 5: Solve for x
   x = 71,575,610.23/9,336.37
6. Step 6: Final answer
   x = 7,666.32