Finding the Fourth Proportional to 80,682, 111,341.16 and 45,354

Step by Step Solution

1. Step 1: Write the proportion equation
   80,682 : 111,341.16 = 45,354 : x
2. Step 2: Convert to fraction form
   80,682/111,341.16 = 45,354/x
3. Step 3: Cross multiply
   80,682x = 111,341.16 × 45,354
4. Step 4: Simplify right side
   80,682x = 5,049,766,970.64
5. Step 5: Solve for x
   x = 5,049,766,970.64/80,682
6. Step 6: Final answer
   x = 62,588.52