Finding the Fourth Proportional to 83,145.24, 114,740.43 and 45,419.49

Step by Step Solution

1. Step 1: Write the proportion equation
   83,145.24 : 114,740.43 = 45,419.49 : x
2. Step 2: Convert to fraction form
   83,145.24/114,740.43 = 45,419.49/x
3. Step 3: Cross multiply
   83,145.24x = 114,740.43 × 45,419.49
4. Step 4: Simplify right side
   83,145.24x = 5,211,451,983.30
5. Step 5: Solve for x
   x = 5,211,451,983.30/83,145.24
6. Step 6: Final answer
   x = 62,678.90