Finding the Fourth Proportional to 49,636.37, 74,453.90 and 12,196.61

Step by Step Solution

1. Step 1: Write the proportion equation
   49,636.37 : 74,453.90 = 12,196.61 : x
2. Step 2: Convert to fraction form
   49,636.37/74,453.90 = 12,196.61/x
3. Step 3: Cross multiply
   49,636.37x = 74,453.90 × 12,196.61
4. Step 4: Simplify right side
   49,636.37x = 908,084,748.03
5. Step 5: Solve for x
   x = 908,084,748.03/49,636.37
6. Step 6: Final answer
   x = 18,294.75