Finding the Fourth Proportional to 12,801.40, 19,182.62 and 9,499

Step by Step Solution

1. Step 1: Write the proportion equation
   12,801.40 : 19,182.62 = 9,499 : x
2. Step 2: Convert to fraction form
   12,801.40/19,182.62 = 9,499/x
3. Step 3: Cross multiply
   12,801.40x = 19,182.62 × 9,499
4. Step 4: Simplify right side
   12,801.40x = 182,215,707.38
5. Step 5: Solve for x
   x = 182,215,707.38/12,801.40
6. Step 6: Final answer
   x = 14,234.05