Finding the Fourth Proportional to 89,491, 134,265.78 and 27,161.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,491 : 134,265.78 = 27,161.56 : x
2. Step 2: Convert to fraction form
   89,491/134,265.78 = 27,161.56/x
3. Step 3: Cross multiply
   89,491x = 134,265.78 × 27,161.56
4. Step 4: Simplify right side
   89,491x = 3,646,868,039.42
5. Step 5: Solve for x
   x = 3,646,868,039.42/89,491
6. Step 6: Final answer
   x = 40,751.23