Finding the Fourth Proportional to 443,912.86, 612,590.52 and 242,708.86

Step by Step Solution

1. Step 1: Write the proportion equation
   443,912.86 : 612,590.52 = 242,708.86 : x
2. Step 2: Convert to fraction form
   443,912.86/612,590.52 = 242,708.86/x
3. Step 3: Cross multiply
   443,912.86x = 612,590.52 × 242,708.86
4. Step 4: Simplify right side
   443,912.86x = 148,681,146,756.01
5. Step 5: Solve for x
   x = 148,681,146,756.01/443,912.86
6. Step 6: Final answer
   x = 334,933.18