Finding the Fourth Proportional to 8,789.88, 13,179.63 and 3,446.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,789.88 : 13,179.63 = 3,446.72 : x
2. Step 2: Convert to fraction form
   8,789.88/13,179.63 = 3,446.72/x
3. Step 3: Cross multiply
   8,789.88x = 13,179.63 × 3,446.72
4. Step 4: Simplify right side
   8,789.88x = 45,426,471.38
5. Step 5: Solve for x
   x = 45,426,471.38/8,789.88
6. Step 6: Final answer
   x = 5,168.04