Finding the Fourth Proportional to 1,339,105.72, 2,008,790.88 and 440,182.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,105.72 : 2,008,790.88 = 440,182.84 : x
2. Step 2: Convert to fraction form
   1,339,105.72/2,008,790.88 = 440,182.84/x
3. Step 3: Cross multiply
   1,339,105.72x = 2,008,790.88 × 440,182.84
4. Step 4: Simplify right side
   1,339,105.72x = 884,235,274,524.50
5. Step 5: Solve for x
   x = 884,235,274,524.50/1,339,105.72
6. Step 6: Final answer
   x = 660,317.75