Finding the Fourth Proportional to 70,422.72, 105,576.28 and 32,964.56

Step by Step Solution

1. Step 1: Write the proportion equation
   70,422.72 : 105,576.28 = 32,964.56 : x
2. Step 2: Convert to fraction form
   70,422.72/105,576.28 = 32,964.56/x
3. Step 3: Cross multiply
   70,422.72x = 105,576.28 × 32,964.56
4. Step 4: Simplify right side
   70,422.72x = 3,480,275,616.64
5. Step 5: Solve for x
   x = 3,480,275,616.64/70,422.72
6. Step 6: Final answer
   x = 49,419.78