Finding the Fourth Proportional to 443,442.52, 611,950.72 and 242,238.52

Step by Step Solution

1. Step 1: Write the proportion equation
   443,442.52 : 611,950.72 = 242,238.52 : x
2. Step 2: Convert to fraction form
   443,442.52/611,950.72 = 242,238.52/x
3. Step 3: Cross multiply
   443,442.52x = 611,950.72 × 242,238.52
4. Step 4: Simplify right side
   443,442.52x = 148,238,035,514.54
5. Step 5: Solve for x
   x = 148,238,035,514.54/443,442.52
6. Step 6: Final answer
   x = 334,289.18