Finding the Fourth Proportional to 12,650.82, 17,459.13 and 7,347.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,650.82 : 17,459.13 = 7,347.30 : x
2. Step 2: Convert to fraction form
   12,650.82/17,459.13 = 7,347.30/x
3. Step 3: Cross multiply
   12,650.82x = 17,459.13 × 7,347.30
4. Step 4: Simplify right side
   12,650.82x = 128,277,465.85
5. Step 5: Solve for x
   x = 128,277,465.85/12,650.82
6. Step 6: Final answer
   x = 10,139.85