Finding the Fourth Proportional to 80,976.02, 111,748.10 and 45,168.75

Step by Step Solution

1. Step 1: Write the proportion equation
   80,976.02 : 111,748.10 = 45,168.75 : x
2. Step 2: Convert to fraction form
   80,976.02/111,748.10 = 45,168.75/x
3. Step 3: Cross multiply
   80,976.02x = 111,748.10 × 45,168.75
4. Step 4: Simplify right side
   80,976.02x = 5,047,521,766.03
5. Step 5: Solve for x
   x = 5,047,521,766.03/80,976.02
6. Step 6: Final answer
   x = 62,333.54