Finding the Fourth Proportional to 9,046.14, 13,570.42 and 8,499.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,046.14 : 13,570.42 = 8,499.39 : x
2. Step 2: Convert to fraction form
   9,046.14/13,570.42 = 8,499.39/x
3. Step 3: Cross multiply
   9,046.14x = 13,570.42 × 8,499.39
4. Step 4: Simplify right side
   9,046.14x = 115,340,292.04
5. Step 5: Solve for x
   x = 115,340,292.04/9,046.14
6. Step 6: Final answer
   x = 12,750.22