Finding the Fourth Proportional to 6,256.42, 8,633.78 and 3,423.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,256.42 : 8,633.78 = 3,423.84 : x
2. Step 2: Convert to fraction form
   6,256.42/8,633.78 = 3,423.84/x
3. Step 3: Cross multiply
   6,256.42x = 8,633.78 × 3,423.84
4. Step 4: Simplify right side
   6,256.42x = 29,560,681.32
5. Step 5: Solve for x
   x = 29,560,681.32/6,256.42
6. Step 6: Final answer
   x = 4,724.86