Finding the Fourth Proportional to 2,099,467.57, 3,147,325.98 and 819,777.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,467.57 : 3,147,325.98 = 819,777.31 : x
2. Step 2: Convert to fraction form
   2,099,467.57/3,147,325.98 = 819,777.31/x
3. Step 3: Cross multiply
   2,099,467.57x = 3,147,325.98 × 819,777.31
4. Step 4: Simplify right side
   2,099,467.57x = 2,580,106,425,577.51
5. Step 5: Solve for x
   x = 2,580,106,425,577.51/2,099,467.57
6. Step 6: Final answer
   x = 1,228,933.69