Finding the Fourth Proportional to 80,431.50, 110,995.56 and 46,903.98

Step by Step Solution

1. Step 1: Write the proportion equation
   80,431.50 : 110,995.56 = 46,903.98 : x
2. Step 2: Convert to fraction form
   80,431.50/110,995.56 = 46,903.98/x
3. Step 3: Cross multiply
   80,431.50x = 110,995.56 × 46,903.98
4. Step 4: Simplify right side
   80,431.50x = 5,206,133,526.33
5. Step 5: Solve for x
   x = 5,206,133,526.33/80,431.50
6. Step 6: Final answer
   x = 64,727.54