Finding the Fourth Proportional to 80,843.59, 111,561.26 and 45,031.67

Step by Step Solution

1. Step 1: Write the proportion equation
   80,843.59 : 111,561.26 = 45,031.67 : x
2. Step 2: Convert to fraction form
   80,843.59/111,561.26 = 45,031.67/x
3. Step 3: Cross multiply
   80,843.59x = 111,561.26 × 45,031.67
4. Step 4: Simplify right side
   80,843.59x = 5,023,789,845.10
5. Step 5: Solve for x
   x = 5,023,789,845.10/80,843.59
6. Step 6: Final answer
   x = 62,142.09