Finding the Fourth Proportional to 80,885.97, 111,622.74 and 45,075.18

Step by Step Solution

1. Step 1: Write the proportion equation
   80,885.97 : 111,622.74 = 45,075.18 : x
2. Step 2: Convert to fraction form
   80,885.97/111,622.74 = 45,075.18/x
3. Step 3: Cross multiply
   80,885.97x = 111,622.74 × 45,075.18
4. Step 4: Simplify right side
   80,885.97x = 5,031,415,097.59
5. Step 5: Solve for x
   x = 5,031,415,097.59/80,885.97
6. Step 6: Final answer
   x = 62,203.80