Finding the Fourth Proportional to 10,503.43, 15,757.83 and 3,485.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,503.43 : 15,757.83 = 3,485.40 : x
2. Step 2: Convert to fraction form
   10,503.43/15,757.83 = 3,485.40/x
3. Step 3: Cross multiply
   10,503.43x = 15,757.83 × 3,485.40
4. Step 4: Simplify right side
   10,503.43x = 54,922,340.68
5. Step 5: Solve for x
   x = 54,922,340.68/10,503.43
6. Step 6: Final answer
   x = 5,228.99