Finding the Fourth Proportional to 12,683.57, 17,520.05 and 9,735.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,683.57 : 17,520.05 = 9,735.83 : x
2. Step 2: Convert to fraction form
   12,683.57/17,520.05 = 9,735.83/x
3. Step 3: Cross multiply
   12,683.57x = 17,520.05 × 9,735.83
4. Step 4: Simplify right side
   12,683.57x = 170,572,228.39
5. Step 5: Solve for x
   x = 170,572,228.39/12,683.57
6. Step 6: Final answer
   x = 13,448.28