Finding the Fourth Proportional to 6,333.40, 8,740.52 and 3,680.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,333.40 : 8,740.52 = 3,680.80 : x
2. Step 2: Convert to fraction form
   6,333.40/8,740.52 = 3,680.80/x
3. Step 3: Cross multiply
   6,333.40x = 8,740.52 × 3,680.80
4. Step 4: Simplify right side
   6,333.40x = 32,172,106.02
5. Step 5: Solve for x
   x = 32,172,106.02/6,333.40
6. Step 6: Final answer
   x = 5,079.75