Finding the Fourth Proportional to 12,683.16, 17,498.50 and 7,373.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,683.16 : 17,498.50 = 7,373.64 : x
2. Step 2: Convert to fraction form
   12,683.16/17,498.50 = 7,373.64/x
3. Step 3: Cross multiply
   12,683.16x = 17,498.50 × 7,373.64
4. Step 4: Simplify right side
   12,683.16x = 129,027,639.54
5. Step 5: Solve for x
   x = 129,027,639.54/12,683.16
6. Step 6: Final answer
   x = 10,173.15