Finding the Fourth Proportional to 40,630.56, 60,947.18 and 13,976.28

Step by Step Solution

1. Step 1: Write the proportion equation
   40,630.56 : 60,947.18 = 13,976.28 : x
2. Step 2: Convert to fraction form
   40,630.56/60,947.18 = 13,976.28/x
3. Step 3: Cross multiply
   40,630.56x = 60,947.18 × 13,976.28
4. Step 4: Simplify right side
   40,630.56x = 851,814,852.89
5. Step 5: Solve for x
   x = 851,814,852.89/40,630.56
6. Step 6: Final answer
   x = 20,964.88