Finding the Fourth Proportional to 9,439.81, 14,162.00 and 6,671.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,439.81 : 14,162.00 = 6,671.89 : x
2. Step 2: Convert to fraction form
   9,439.81/14,162.00 = 6,671.89/x
3. Step 3: Cross multiply
   9,439.81x = 14,162.00 × 6,671.89
4. Step 4: Simplify right side
   9,439.81x = 94,487,290.52
5. Step 5: Solve for x
   x = 94,487,290.52/9,439.81
6. Step 6: Final answer
   x = 10,009.45