Finding the Fourth Proportional to 12,009.76, 16,572.78 and 6,704.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,009.76 : 16,572.78 = 6,704.91 : x
2. Step 2: Convert to fraction form
   12,009.76/16,572.78 = 6,704.91/x
3. Step 3: Cross multiply
   12,009.76x = 16,572.78 × 6,704.91
4. Step 4: Simplify right side
   12,009.76x = 111,118,964.83
5. Step 5: Solve for x
   x = 111,118,964.83/12,009.76
6. Step 6: Final answer
   x = 9,252.39