Finding the Fourth Proportional to 8,454.06, 12,666.72 and 5,976.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,454.06 : 12,666.72 = 5,976.75 : x
2. Step 2: Convert to fraction form
   8,454.06/12,666.72 = 5,976.75/x
3. Step 3: Cross multiply
   8,454.06x = 12,666.72 × 5,976.75
4. Step 4: Simplify right side
   8,454.06x = 75,705,818.76
5. Step 5: Solve for x
   x = 75,705,818.76/8,454.06
6. Step 6: Final answer
   x = 8,954.97