Finding the Fourth Proportional to 9,503.33, 13,118.30 and 8,506.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,503.33 : 13,118.30 = 8,506.89 : x
2. Step 2: Convert to fraction form
   9,503.33/13,118.30 = 8,506.89/x
3. Step 3: Cross multiply
   9,503.33x = 13,118.30 × 8,506.89
4. Step 4: Simplify right side
   9,503.33x = 111,595,935.09
5. Step 5: Solve for x
   x = 111,595,935.09/9,503.33
6. Step 6: Final answer
   x = 11,742.82