Finding the Fourth Proportional to 80,770.28, 111,462.01 and 47,236.28

Step by Step Solution

1. Step 1: Write the proportion equation
   80,770.28 : 111,462.01 = 47,236.28 : x
2. Step 2: Convert to fraction form
   80,770.28/111,462.01 = 47,236.28/x
3. Step 3: Cross multiply
   80,770.28x = 111,462.01 × 47,236.28
4. Step 4: Simplify right side
   80,770.28x = 5,265,050,038.32
5. Step 5: Solve for x
   x = 5,265,050,038.32/80,770.28
6. Step 6: Final answer
   x = 65,185.49