Finding the Fourth Proportional to 80,861.52, 111,550.64 and 52,556.88

Step by Step Solution

1. Step 1: Write the proportion equation
   80,861.52 : 111,550.64 = 52,556.88 : x
2. Step 2: Convert to fraction form
   80,861.52/111,550.64 = 52,556.88/x
3. Step 3: Cross multiply
   80,861.52x = 111,550.64 × 52,556.88
4. Step 4: Simplify right side
   80,861.52x = 5,862,753,600.40
5. Step 5: Solve for x
   x = 5,862,753,600.40/80,861.52
6. Step 6: Final answer
   x = 72,503.63