Finding the Fourth Proportional to 83,668.53, 115,462.54 and 45,942.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,668.53 : 115,462.54 = 45,942.78 : x
2. Step 2: Convert to fraction form
   83,668.53/115,462.54 = 45,942.78/x
3. Step 3: Cross multiply
   83,668.53x = 115,462.54 × 45,942.78
4. Step 4: Simplify right side
   83,668.53x = 5,304,670,073.46
5. Step 5: Solve for x
   x = 5,304,670,073.46/83,668.53
6. Step 6: Final answer
   x = 63,401.02