Finding the Fourth Proportional to 9,495.62, 13,107.59 and 8,499.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,495.62 : 13,107.59 = 8,499.12 : x
2. Step 2: Convert to fraction form
   9,495.62/13,107.59 = 8,499.12/x
3. Step 3: Cross multiply
   9,495.62x = 13,107.59 × 8,499.12
4. Step 4: Simplify right side
   9,495.62x = 111,402,980.32
5. Step 5: Solve for x
   x = 111,402,980.32/9,495.62
6. Step 6: Final answer
   x = 11,732.04