Finding the Fourth Proportional to 9,141.52, 13,716.60 and 8,994.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.52 : 13,716.60 = 8,994.10 : x
2. Step 2: Convert to fraction form
   9,141.52/13,716.60 = 8,994.10/x
3. Step 3: Cross multiply
   9,141.52x = 13,716.60 × 8,994.10
4. Step 4: Simplify right side
   9,141.52x = 123,368,472.06
5. Step 5: Solve for x
   x = 123,368,472.06/9,141.52
6. Step 6: Final answer
   x = 13,495.40