Finding the Fourth Proportional to 82,978.24, 114,505.42 and 47,163.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,978.24 : 114,505.42 = 47,163.28 : x
2. Step 2: Convert to fraction form
   82,978.24/114,505.42 = 47,163.28/x
3. Step 3: Cross multiply
   82,978.24x = 114,505.42 × 47,163.28
4. Step 4: Simplify right side
   82,978.24x = 5,400,451,184.98
5. Step 5: Solve for x
   x = 5,400,451,184.98/82,978.24
6. Step 6: Final answer
   x = 65,082.74