Finding the Fourth Proportional to 9,811.38, 13,540.38 and 5,562.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,811.38 : 13,540.38 = 5,562.39 : x
2. Step 2: Convert to fraction form
   9,811.38/13,540.38 = 5,562.39/x
3. Step 3: Cross multiply
   9,811.38x = 13,540.38 × 5,562.39
4. Step 4: Simplify right side
   9,811.38x = 75,316,874.31
5. Step 5: Solve for x
   x = 75,316,874.31/9,811.38
6. Step 6: Final answer
   x = 7,676.48