Finding the Fourth Proportional to 89,185.97, 123,080.51 and 53,369.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,185.97 : 123,080.51 = 53,369.12 : x
2. Step 2: Convert to fraction form
   89,185.97/123,080.51 = 53,369.12/x
3. Step 3: Cross multiply
   89,185.97x = 123,080.51 × 53,369.12
4. Step 4: Simplify right side
   89,185.97x = 6,568,698,507.85
5. Step 5: Solve for x
   x = 6,568,698,507.85/89,185.97
6. Step 6: Final answer
   x = 73,651.70