Finding the Fourth Proportional to 443,345.91, 611,831.93 and 242,141.91

Step by Step Solution

1. Step 1: Write the proportion equation
   443,345.91 : 611,831.93 = 242,141.91 : x
2. Step 2: Convert to fraction form
   443,345.91/611,831.93 = 242,141.91/x
3. Step 3: Cross multiply
   443,345.91x = 611,831.93 × 242,141.91
4. Step 4: Simplify right side
   443,345.91x = 148,150,149,986.16
5. Step 5: Solve for x
   x = 148,150,149,986.16/443,345.91
6. Step 6: Final answer
   x = 334,163.79