Finding the Fourth Proportional to 33,097.50, 49,648.68 and 12,321

Step by Step Solution

1. Step 1: Write the proportion equation
   33,097.50 : 49,648.68 = 12,321 : x
2. Step 2: Convert to fraction form
   33,097.50/49,648.68 = 12,321/x
3. Step 3: Cross multiply
   33,097.50x = 49,648.68 × 12,321
4. Step 4: Simplify right side
   33,097.50x = 611,721,386.28
5. Step 5: Solve for x
   x = 611,721,386.28/33,097.50
6. Step 6: Final answer
   x = 18,482.40