Finding the Fourth Proportional to 33,261, 49,878.12 and 12,196.12

Step by Step Solution

1. Step 1: Write the proportion equation
   33,261 : 49,878.12 = 12,196.12 : x
2. Step 2: Convert to fraction form
   33,261/49,878.12 = 12,196.12/x
3. Step 3: Cross multiply
   33,261x = 49,878.12 × 12,196.12
4. Step 4: Simplify right side
   33,261x = 608,319,536.89
5. Step 5: Solve for x
   x = 608,319,536.89/33,261
6. Step 6: Final answer
   x = 18,289.27