Finding the Fourth Proportional to 11,895.04, 16,414.72 and 7,178.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,895.04 : 16,414.72 = 7,178.88 : x
2. Step 2: Convert to fraction form
   11,895.04/16,414.72 = 7,178.88/x
3. Step 3: Cross multiply
   11,895.04x = 16,414.72 × 7,178.88
4. Step 4: Simplify right side
   11,895.04x = 117,839,305.11
5. Step 5: Solve for x
   x = 117,839,305.11/11,895.04
6. Step 6: Final answer
   x = 9,906.59