Finding the Fourth Proportional to 80,978.28, 111,750.12 and 46,993.44

Step by Step Solution

1. Step 1: Write the proportion equation
   80,978.28 : 111,750.12 = 46,993.44 : x
2. Step 2: Convert to fraction form
   80,978.28/111,750.12 = 46,993.44/x
3. Step 3: Cross multiply
   80,978.28x = 111,750.12 × 46,993.44
4. Step 4: Simplify right side
   80,978.28x = 5,251,522,559.21
5. Step 5: Solve for x
   x = 5,251,522,559.21/80,978.28
6. Step 6: Final answer
   x = 64,851.00