Finding the Fourth Proportional to 82,870.13, 114,361.53 and 45,144.38

Step by Step Solution

1. Step 1: Write the proportion equation
   82,870.13 : 114,361.53 = 45,144.38 : x
2. Step 2: Convert to fraction form
   82,870.13/114,361.53 = 45,144.38/x
3. Step 3: Cross multiply
   82,870.13x = 114,361.53 × 45,144.38
4. Step 4: Simplify right side
   82,870.13x = 5,162,780,367.70
5. Step 5: Solve for x
   x = 5,162,780,367.70/82,870.13
6. Step 6: Final answer
   x = 62,299.65