Finding the Fourth Proportional to 42,734.45, 64,101.72 and 11,144.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,734.45 : 64,101.72 = 11,144.48 : x
2. Step 2: Convert to fraction form
   42,734.45/64,101.72 = 11,144.48/x
3. Step 3: Cross multiply
   42,734.45x = 64,101.72 × 11,144.48
4. Step 4: Simplify right side
   42,734.45x = 714,380,016.00
5. Step 5: Solve for x
   x = 714,380,016.00/42,734.45
6. Step 6: Final answer
   x = 16,716.73