Finding the Fourth Proportional to 443,667.72, 612,260.10 and 242,463.72

Step by Step Solution

1. Step 1: Write the proportion equation
   443,667.72 : 612,260.10 = 242,463.72 : x
2. Step 2: Convert to fraction form
   443,667.72/612,260.10 = 242,463.72/x
3. Step 3: Cross multiply
   443,667.72x = 612,260.10 × 242,463.72
4. Step 4: Simplify right side
   443,667.72x = 148,450,861,453.57
5. Step 5: Solve for x
   x = 148,450,861,453.57/443,667.72
6. Step 6: Final answer
   x = 334,599.19