Finding the Fourth Proportional to 443,914.47, 612,460.98 and 262,688.73

Step by Step Solution

1. Step 1: Write the proportion equation
   443,914.47 : 612,460.98 = 262,688.73 : x
2. Step 2: Convert to fraction form
   443,914.47/612,460.98 = 262,688.73/x
3. Step 3: Cross multiply
   443,914.47x = 612,460.98 × 262,688.73
4. Step 4: Simplify right side
   443,914.47x = 160,886,597,010.76
5. Step 5: Solve for x
   x = 160,886,597,010.76/443,914.47
6. Step 6: Final answer
   x = 362,427.02