Finding the Fourth Proportional to 709,325.83, 1,061,492.32 and 443,211.67

Step by Step Solution

1. Step 1: Write the proportion equation
   709,325.83 : 1,061,492.32 = 443,211.67 : x
2. Step 2: Convert to fraction form
   709,325.83/1,061,492.32 = 443,211.67/x
3. Step 3: Cross multiply
   709,325.83x = 1,061,492.32 × 443,211.67
4. Step 4: Simplify right side
   709,325.83x = 470,465,783,839.37
5. Step 5: Solve for x
   x = 470,465,783,839.37/709,325.83
6. Step 6: Final answer
   x = 663,257.65