Finding the Fourth Proportional to 95,242.52, 142,738.43 and 53,142.42

Step by Step Solution

1. Step 1: Write the proportion equation
   95,242.52 : 142,738.43 = 53,142.42 : x
2. Step 2: Convert to fraction form
   95,242.52/142,738.43 = 53,142.42/x
3. Step 3: Cross multiply
   95,242.52x = 142,738.43 × 53,142.42
4. Step 4: Simplify right side
   95,242.52x = 7,585,465,597.20
5. Step 5: Solve for x
   x = 7,585,465,597.20/95,242.52
6. Step 6: Final answer
   x = 79,643.69