Finding the Fourth Proportional to 3,401.50, 4,693.98 and 1,909.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.50 : 4,693.98 = 1,909.58 : x
2. Step 2: Convert to fraction form
   3,401.50/4,693.98 = 1,909.58/x
3. Step 3: Cross multiply
   3,401.50x = 4,693.98 × 1,909.58
4. Step 4: Simplify right side
   3,401.50x = 8,963,530.33
5. Step 5: Solve for x
   x = 8,963,530.33/3,401.50
6. Step 6: Final answer
   x = 2,635.17