Finding the Fourth Proportional to 82,968.28, 114,495.42 and 45,240.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,968.28 : 114,495.42 = 45,240.28 : x
2. Step 2: Convert to fraction form
   82,968.28/114,495.42 = 45,240.28/x
3. Step 3: Cross multiply
   82,968.28x = 114,495.42 × 45,240.28
4. Step 4: Simplify right side
   82,968.28x = 5,179,804,859.52
5. Step 5: Solve for x
   x = 5,179,804,859.52/82,968.28
6. Step 6: Final answer
   x = 62,431.15