Finding the Fourth Proportional to 2,006,789.58, 3,010,644.12 and 869,742.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,006,789.58 : 3,010,644.12 = 869,742.78 : x
2. Step 2: Convert to fraction form
   2,006,789.58/3,010,644.12 = 869,742.78/x
3. Step 3: Cross multiply
   2,006,789.58x = 3,010,644.12 × 869,742.78
4. Step 4: Simplify right side
   2,006,789.58x = 2,618,485,986,519.45
5. Step 5: Solve for x
   x = 2,618,485,986,519.45/2,006,789.58
6. Step 6: Final answer
   x = 1,304,813.43