Finding the Fourth Proportional to 80,582.37, 111,167.89 and 53,698.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,582.37 : 111,167.89 = 53,698.69 : x
2. Step 2: Convert to fraction form
   80,582.37/111,167.89 = 53,698.69/x
3. Step 3: Cross multiply
   80,582.37x = 111,167.89 × 53,698.69
4. Step 4: Simplify right side
   80,582.37x = 5,969,570,063.06
5. Step 5: Solve for x
   x = 5,969,570,063.06/80,582.37
6. Step 6: Final answer
   x = 74,080.35