Finding the Fourth Proportional to 82,868.14, 114,357.45 and 45,142.39

Step by Step Solution

1. Step 1: Write the proportion equation
   82,868.14 : 114,357.45 = 45,142.39 : x
2. Step 2: Convert to fraction form
   82,868.14/114,357.45 = 45,142.39/x
3. Step 3: Cross multiply
   82,868.14x = 114,357.45 × 45,142.39
4. Step 4: Simplify right side
   82,868.14x = 5,162,368,607.31
5. Step 5: Solve for x
   x = 5,162,368,607.31/82,868.14
6. Step 6: Final answer
   x = 62,296.18