Finding the Fourth Proportional to 9,118.67, 12,588.41 and 5,764.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,118.67 : 12,588.41 = 5,764.96 : x
2. Step 2: Convert to fraction form
   9,118.67/12,588.41 = 5,764.96/x
3. Step 3: Cross multiply
   9,118.67x = 12,588.41 × 5,764.96
4. Step 4: Simplify right side
   9,118.67x = 72,571,663.05
5. Step 5: Solve for x
   x = 72,571,663.05/9,118.67
6. Step 6: Final answer
   x = 7,958.58