Finding the Fourth Proportional to 9,338.38, 12,881.30 and 5,559.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,338.38 : 12,881.30 = 5,559.05 : x
2. Step 2: Convert to fraction form
   9,338.38/12,881.30 = 5,559.05/x
3. Step 3: Cross multiply
   9,338.38x = 12,881.30 × 5,559.05
4. Step 4: Simplify right side
   9,338.38x = 71,607,795.17
5. Step 5: Solve for x
   x = 71,607,795.17/9,338.38
6. Step 6: Final answer
   x = 7,668.12