Finding the Fourth Proportional to 774,692.58, 1,162,105.82 and 213,727.08

Step by Step Solution

1. Step 1: Write the proportion equation
   774,692.58 : 1,162,105.82 = 213,727.08 : x
2. Step 2: Convert to fraction form
   774,692.58/1,162,105.82 = 213,727.08/x
3. Step 3: Cross multiply
   774,692.58x = 1,162,105.82 × 213,727.08
4. Step 4: Simplify right side
   774,692.58x = 248,373,483,559.61
5. Step 5: Solve for x
   x = 248,373,483,559.61/774,692.58
6. Step 6: Final answer
   x = 320,609.09