Finding the Fourth Proportional to 2,009,064.18, 3,013,577.88 and 810,137.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009,064.18 : 3,013,577.88 = 810,137.46 : x
2. Step 2: Convert to fraction form
   2,009,064.18/3,013,577.88 = 810,137.46/x
3. Step 3: Cross multiply
   2,009,064.18x = 3,013,577.88 × 810,137.46
4. Step 4: Simplify right side
   2,009,064.18x = 2,441,412,329,215.38
5. Step 5: Solve for x
   x = 2,441,412,329,215.38/2,009,064.18
6. Step 6: Final answer
   x = 1,215,198.77