Finding the Fourth Proportional to 6,830.72, 9,426.28 and 4,000.04

Step by Step Solution

1. Step 1: Write the proportion equation
   6,830.72 : 9,426.28 = 4,000.04 : x
2. Step 2: Convert to fraction form
   6,830.72/9,426.28 = 4,000.04/x
3. Step 3: Cross multiply
   6,830.72x = 9,426.28 × 4,000.04
4. Step 4: Simplify right side
   6,830.72x = 37,705,497.05
5. Step 5: Solve for x
   x = 37,705,497.05/6,830.72
6. Step 6: Final answer
   x = 5,519.99