Finding the Fourth Proportional to 95,242.71, 142,738.71 and 53,142.61

Step by Step Solution

1. Step 1: Write the proportion equation
   95,242.71 : 142,738.71 = 53,142.61 : x
2. Step 2: Convert to fraction form
   95,242.71/142,738.71 = 53,142.61/x
3. Step 3: Cross multiply
   95,242.71x = 142,738.71 × 53,142.61
4. Step 4: Simplify right side
   95,242.71x = 7,585,507,597.43
5. Step 5: Solve for x
   x = 7,585,507,597.43/95,242.71
6. Step 6: Final answer
   x = 79,643.97