Finding the Fourth Proportional to 82,912.56, 114,422.42 and 47,108.64

Step by Step Solution

1. Step 1: Write the proportion equation
   82,912.56 : 114,422.42 = 47,108.64 : x
2. Step 2: Convert to fraction form
   82,912.56/114,422.42 = 47,108.64/x
3. Step 3: Cross multiply
   82,912.56x = 114,422.42 × 47,108.64
4. Step 4: Simplify right side
   82,912.56x = 5,390,284,494.94
5. Step 5: Solve for x
   x = 5,390,284,494.94/82,912.56
6. Step 6: Final answer
   x = 65,011.67