Finding the Fourth Proportional to 89,185.98, 123,080.50 and 53,369.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,185.98 : 123,080.50 = 53,369.12 : x
2. Step 2: Convert to fraction form
   89,185.98/123,080.50 = 53,369.12/x
3. Step 3: Cross multiply
   89,185.98x = 123,080.50 × 53,369.12
4. Step 4: Simplify right side
   89,185.98x = 6,568,697,974.16
5. Step 5: Solve for x
   x = 6,568,697,974.16/89,185.98
6. Step 6: Final answer
   x = 73,651.69