Finding the Fourth Proportional to 80,850.21, 111,573.43 and 45,041.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,850.21 : 111,573.43 = 45,041.50 : x
2. Step 2: Convert to fraction form
   80,850.21/111,573.43 = 45,041.50/x
3. Step 3: Cross multiply
   80,850.21x = 111,573.43 × 45,041.50
4. Step 4: Simplify right side
   80,850.21x = 5,025,434,089.48
5. Step 5: Solve for x
   x = 5,025,434,089.48/80,850.21
6. Step 6: Final answer
   x = 62,157.34