Finding the Fourth Proportional to 82,942.08, 114,461.72 and 45,216.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,942.08 : 114,461.72 = 45,216.28 : x
2. Step 2: Convert to fraction form
   82,942.08/114,461.72 = 45,216.28/x
3. Step 3: Cross multiply
   82,942.08x = 114,461.72 × 45,216.28
4. Step 4: Simplify right side
   82,942.08x = 5,175,533,180.80
5. Step 5: Solve for x
   x = 5,175,533,180.80/82,942.08
6. Step 6: Final answer
   x = 62,399.37