Finding the Fourth Proportional to 36,727.12, 55,016.76 and 16,978.48

Step by Step Solution

1. Step 1: Write the proportion equation
   36,727.12 : 55,016.76 = 16,978.48 : x
2. Step 2: Convert to fraction form
   36,727.12/55,016.76 = 16,978.48/x
3. Step 3: Cross multiply
   36,727.12x = 55,016.76 × 16,978.48
4. Step 4: Simplify right side
   36,727.12x = 934,100,959.32
5. Step 5: Solve for x
   x = 934,100,959.32/36,727.12
6. Step 6: Final answer
   x = 25,433.55