Finding the Fourth Proportional to 10,394.50, 15,591.89 and 3,469

Step by Step Solution

1. Step 1: Write the proportion equation
   10,394.50 : 15,591.89 = 3,469 : x
2. Step 2: Convert to fraction form
   10,394.50/15,591.89 = 3,469/x
3. Step 3: Cross multiply
   10,394.50x = 15,591.89 × 3,469
4. Step 4: Simplify right side
   10,394.50x = 54,088,266.41
5. Step 5: Solve for x
   x = 54,088,266.41/10,394.50
6. Step 6: Final answer
   x = 5,203.55