Finding the Fourth Proportional to 80,493.24, 111,156.32 and 51,863.16

Step by Step Solution

1. Step 1: Write the proportion equation
   80,493.24 : 111,156.32 = 51,863.16 : x
2. Step 2: Convert to fraction form
   80,493.24/111,156.32 = 51,863.16/x
3. Step 3: Cross multiply
   80,493.24x = 111,156.32 × 51,863.16
4. Step 4: Simplify right side
   80,493.24x = 5,764,918,009.17
5. Step 5: Solve for x
   x = 5,764,918,009.17/80,493.24
6. Step 6: Final answer
   x = 71,619.90