Finding the Fourth Proportional to 80,684, 111,343.92 and 45,356

Step by Step Solution

1. Step 1: Write the proportion equation
   80,684 : 111,343.92 = 45,356 : x
2. Step 2: Convert to fraction form
   80,684/111,343.92 = 45,356/x
3. Step 3: Cross multiply
   80,684x = 111,343.92 × 45,356
4. Step 4: Simplify right side
   80,684x = 5,050,114,835.52
5. Step 5: Solve for x
   x = 5,050,114,835.52/80,684
6. Step 6: Final answer
   x = 62,591.28