Finding the Fourth Proportional to 2,773,918.55, 4,161,333.23 and 854,830.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773,918.55 : 4,161,333.23 = 854,830.09 : x
2. Step 2: Convert to fraction form
   2,773,918.55/4,161,333.23 = 854,830.09/x
3. Step 3: Cross multiply
   2,773,918.55x = 4,161,333.23 × 854,830.09
4. Step 4: Simplify right side
   2,773,918.55x = 3,557,232,859,520.89
5. Step 5: Solve for x
   x = 3,557,232,859,520.89/2,773,918.55
6. Step 6: Final answer
   x = 1,282,385.48