Finding the Fourth Proportional to 80,742, 111,423.96 and 45,414

Step by Step Solution

1. Step 1: Write the proportion equation
   80,742 : 111,423.96 = 45,414 : x
2. Step 2: Convert to fraction form
   80,742/111,423.96 = 45,414/x
3. Step 3: Cross multiply
   80,742x = 111,423.96 × 45,414
4. Step 4: Simplify right side
   80,742x = 5,060,207,719.44
5. Step 5: Solve for x
   x = 5,060,207,719.44/80,742
6. Step 6: Final answer
   x = 62,671.32