Finding the Fourth Proportional to 2,559,914.78, 3,840,142.05 and 853,463.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,914.78 : 3,840,142.05 = 853,463.27 : x
2. Step 2: Convert to fraction form
   2,559,914.78/3,840,142.05 = 853,463.27/x
3. Step 3: Cross multiply
   2,559,914.78x = 3,840,142.05 × 853,463.27
4. Step 4: Simplify right side
   2,559,914.78x = 3,277,420,172,056.79
5. Step 5: Solve for x
   x = 3,277,420,172,056.79/2,559,914.78
6. Step 6: Final answer
   x = 1,280,284.88