Finding the Fourth Proportional to 9,338.69, 12,888.92 and 5,562.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,338.69 : 12,888.92 = 5,562.07 : x
2. Step 2: Convert to fraction form
   9,338.69/12,888.92 = 5,562.07/x
3. Step 3: Cross multiply
   9,338.69x = 12,888.92 × 5,562.07
4. Step 4: Simplify right side
   9,338.69x = 71,689,056.95
5. Step 5: Solve for x
   x = 71,689,056.95/9,338.69
6. Step 6: Final answer
   x = 7,676.56