Finding the Fourth Proportional to 12,648.45, 17,468.97 and 9,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.45 : 17,468.97 = 9,849.50 : x
2. Step 2: Convert to fraction form
   12,648.45/17,468.97 = 9,849.50/x
3. Step 3: Cross multiply
   12,648.45x = 17,468.97 × 9,849.50
4. Step 4: Simplify right side
   12,648.45x = 172,060,561.24
5. Step 5: Solve for x
   x = 172,060,561.24/12,648.45
6. Step 6: Final answer
   x = 13,603.29