Finding the Fourth Proportional to 443,664.72, 612,255.96 and 242,460.72

Step by Step Solution

1. Step 1: Write the proportion equation
   443,664.72 : 612,255.96 = 242,460.72 : x
2. Step 2: Convert to fraction form
   443,664.72/612,255.96 = 242,460.72/x
3. Step 3: Cross multiply
   443,664.72x = 612,255.96 × 242,460.72
4. Step 4: Simplify right side
   443,664.72x = 148,448,020,885.89
5. Step 5: Solve for x
   x = 148,448,020,885.89/443,664.72
6. Step 6: Final answer
   x = 334,595.05