Finding the Fourth Proportional to 6,671.59, 9,206.72 and 3,687.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,671.59 : 9,206.72 = 3,687.42 : x
2. Step 2: Convert to fraction form
   6,671.59/9,206.72 = 3,687.42/x
3. Step 3: Cross multiply
   6,671.59x = 9,206.72 × 3,687.42
4. Step 4: Simplify right side
   6,671.59x = 33,949,043.46
5. Step 5: Solve for x
   x = 33,949,043.46/6,671.59
6. Step 6: Final answer
   x = 5,088.60