Finding the Fourth Proportional to 558,250.83, 770,559.59 and 443,732.67

Step by Step Solution

1. Step 1: Write the proportion equation
   558,250.83 : 770,559.59 = 443,732.67 : x
2. Step 2: Convert to fraction form
   558,250.83/770,559.59 = 443,732.67/x
3. Step 3: Cross multiply
   558,250.83x = 770,559.59 × 443,732.67
4. Step 4: Simplify right side
   558,250.83x = 341,922,464,264.81
5. Step 5: Solve for x
   x = 341,922,464,264.81/558,250.83
6. Step 6: Final answer
   x = 612,488.95