Finding the Fourth Proportional to 111,582.72, 167,231.76 and 52,287.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,582.72 : 167,231.76 = 52,287.60 : x
2. Step 2: Convert to fraction form
   111,582.72/167,231.76 = 52,287.60/x
3. Step 3: Cross multiply
   111,582.72x = 167,231.76 × 52,287.60
4. Step 4: Simplify right side
   111,582.72x = 8,744,147,374.18
5. Step 5: Solve for x
   x = 8,744,147,374.18/111,582.72
6. Step 6: Final answer
   x = 78,364.71