Finding the Fourth Proportional to 6,271.18, 8,653.72 and 3,438.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,271.18 : 8,653.72 = 3,438.50 : x
2. Step 2: Convert to fraction form
   6,271.18/8,653.72 = 3,438.50/x
3. Step 3: Cross multiply
   6,271.18x = 8,653.72 × 3,438.50
4. Step 4: Simplify right side
   6,271.18x = 29,755,816.22
5. Step 5: Solve for x
   x = 29,755,816.22/6,271.18
6. Step 6: Final answer
   x = 4,744.85