Finding the Fourth Proportional to 32,761.89, 49,142.81 and 8,137.89

Step by Step Solution

1. Step 1: Write the proportion equation
   32,761.89 : 49,142.81 = 8,137.89 : x
2. Step 2: Convert to fraction form
   32,761.89/49,142.81 = 8,137.89/x
3. Step 3: Cross multiply
   32,761.89x = 49,142.81 × 8,137.89
4. Step 4: Simplify right side
   32,761.89x = 399,918,741.38
5. Step 5: Solve for x
   x = 399,918,741.38/32,761.89
6. Step 6: Final answer
   x = 12,206.83