Finding the Fourth Proportional to 89,676, 134,175.42 and 53,518.41

Step by Step Solution

1. Step 1: Write the proportion equation
   89,676 : 134,175.42 = 53,518.41 : x
2. Step 2: Convert to fraction form
   89,676/134,175.42 = 53,518.41/x
3. Step 3: Cross multiply
   89,676x = 134,175.42 × 53,518.41
4. Step 4: Simplify right side
   89,676x = 7,180,855,139.48
5. Step 5: Solve for x
   x = 7,180,855,139.48/89,676
6. Step 6: Final answer
   x = 80,075.55