Finding the Fourth Proportional to 443,666.72, 612,258.72 and 242,462.72

Step by Step Solution

1. Step 1: Write the proportion equation
   443,666.72 : 612,258.72 = 242,462.72 : x
2. Step 2: Convert to fraction form
   443,666.72/612,258.72 = 242,462.72/x
3. Step 3: Cross multiply
   443,666.72x = 612,258.72 × 242,462.72
4. Step 4: Simplify right side
   443,666.72x = 148,449,914,594.92
5. Step 5: Solve for x
   x = 148,449,914,594.92/443,666.72
6. Step 6: Final answer
   x = 334,597.81