Finding the Fourth Proportional to 33,147.12, 49,719.03 and 12,369

Step by Step Solution

1. Step 1: Write the proportion equation
   33,147.12 : 49,719.03 = 12,369 : x
2. Step 2: Convert to fraction form
   33,147.12/49,719.03 = 12,369/x
3. Step 3: Cross multiply
   33,147.12x = 49,719.03 × 12,369
4. Step 4: Simplify right side
   33,147.12x = 614,974,682.07
5. Step 5: Solve for x
   x = 614,974,682.07/33,147.12
6. Step 6: Final answer
   x = 18,552.88