Finding the Fourth Proportional to 2,666,310.72, 3,679,482.63 and 1,442,589.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,310.72 : 3,679,482.63 = 1,442,589.39 : x
2. Step 2: Convert to fraction form
   2,666,310.72/3,679,482.63 = 1,442,589.39/x
3. Step 3: Cross multiply
   2,666,310.72x = 3,679,482.63 × 1,442,589.39
4. Step 4: Simplify right side
   2,666,310.72x = 5,307,982,602,727.30
5. Step 5: Solve for x
   x = 5,307,982,602,727.30/2,666,310.72
6. Step 6: Final answer
   x = 1,990,759.20