Finding the Fourth Proportional to 9,133.34, 12,597.50 and 8,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,133.34 : 12,597.50 = 8,828.50 : x
2. Step 2: Convert to fraction form
   9,133.34/12,597.50 = 8,828.50/x
3. Step 3: Cross multiply
   9,133.34x = 12,597.50 × 8,828.50
4. Step 4: Simplify right side
   9,133.34x = 111,217,028.75
5. Step 5: Solve for x
   x = 111,217,028.75/9,133.34
6. Step 6: Final answer
   x = 12,177.04