Finding the Fourth Proportional to 2,451,200.35, 3,675,619.53 and 853,728.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451,200.35 : 3,675,619.53 = 853,728.07 : x
2. Step 2: Convert to fraction form
   2,451,200.35/3,675,619.53 = 853,728.07/x
3. Step 3: Cross multiply
   2,451,200.35x = 3,675,619.53 × 853,728.07
4. Step 4: Simplify right side
   2,451,200.35x = 3,137,979,567,401.21
5. Step 5: Solve for x
   x = 3,137,979,567,401.21/2,451,200.35
6. Step 6: Final answer
   x = 1,280,180.78