Finding the Fourth Proportional to 81,559.20, 112,556.16 and 45,760.56

Step by Step Solution

1. Step 1: Write the proportion equation
   81,559.20 : 112,556.16 = 45,760.56 : x
2. Step 2: Convert to fraction form
   81,559.20/112,556.16 = 45,760.56/x
3. Step 3: Cross multiply
   81,559.20x = 112,556.16 × 45,760.56
4. Step 4: Simplify right side
   81,559.20x = 5,150,632,913.05
5. Step 5: Solve for x
   x = 5,150,632,913.05/81,559.20
6. Step 6: Final answer
   x = 63,152.08