Finding the Fourth Proportional to 2,067,599.25, 3,101,399.55 and 853,158.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067,599.25 : 3,101,399.55 = 853,158.15 : x
2. Step 2: Convert to fraction form
   2,067,599.25/3,101,399.55 = 853,158.15/x
3. Step 3: Cross multiply
   2,067,599.25x = 3,101,399.55 × 853,158.15
4. Step 4: Simplify right side
   2,067,599.25x = 2,645,984,302,488.83
5. Step 5: Solve for x
   x = 2,645,984,302,488.83/2,067,599.25
6. Step 6: Final answer
   x = 1,279,737.50