Finding the Fourth Proportional to 82,942.72, 114,460.68 and 45,216.96

Step by Step Solution

1. Step 1: Write the proportion equation
   82,942.72 : 114,460.68 = 45,216.96 : x
2. Step 2: Convert to fraction form
   82,942.72/114,460.68 = 45,216.96/x
3. Step 3: Cross multiply
   82,942.72x = 114,460.68 × 45,216.96
4. Step 4: Simplify right side
   82,942.72x = 5,175,563,989.13
5. Step 5: Solve for x
   x = 5,175,563,989.13/82,942.72
6. Step 6: Final answer
   x = 62,399.26