Finding the Fourth Proportional to 6,111.91, 8,433.69 and 3,423.26

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.91 : 8,433.69 = 3,423.26 : x
2. Step 2: Convert to fraction form
   6,111.91/8,433.69 = 3,423.26/x
3. Step 3: Cross multiply
   6,111.91x = 8,433.69 × 3,423.26
4. Step 4: Simplify right side
   6,111.91x = 28,870,750.76
5. Step 5: Solve for x
   x = 28,870,750.76/6,111.91
6. Step 6: Final answer
   x = 4,723.69