Finding the Fourth Proportional to 80,885.96, 111,622.73 and 45,075.18

Step by Step Solution

1. Step 1: Write the proportion equation
   80,885.96 : 111,622.73 = 45,075.18 : x
2. Step 2: Convert to fraction form
   80,885.96/111,622.73 = 45,075.18/x
3. Step 3: Cross multiply
   80,885.96x = 111,622.73 × 45,075.18
4. Step 4: Simplify right side
   80,885.96x = 5,031,414,421.47
5. Step 5: Solve for x
   x = 5,031,414,421.47/80,885.96
6. Step 6: Final answer
   x = 62,203.81