Finding the Fourth Proportional to 443,697.50, 612,427.89 and 262,472.36

Step by Step Solution

1. Step 1: Write the proportion equation
   443,697.50 : 612,427.89 = 262,472.36 : x
2. Step 2: Convert to fraction form
   443,697.50/612,427.89 = 262,472.36/x
3. Step 3: Cross multiply
   443,697.50x = 612,427.89 × 262,472.36
4. Step 4: Simplify right side
   443,697.50x = 160,745,390,555.98
5. Step 5: Solve for x
   x = 160,745,390,555.98/443,697.50
6. Step 6: Final answer
   x = 362,286.00