Finding the Fourth Proportional to 82,868.56, 114,358.44 and 45,142.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,868.56 : 114,358.44 = 45,142.72 : x
2. Step 2: Convert to fraction form
   82,868.56/114,358.44 = 45,142.72/x
3. Step 3: Cross multiply
   82,868.56x = 114,358.44 × 45,142.72
4. Step 4: Simplify right side
   82,868.56x = 5,162,451,036.56
5. Step 5: Solve for x
   x = 5,162,451,036.56/82,868.56
6. Step 6: Final answer
   x = 62,296.86