Finding the Fourth Proportional to 2,666,410.73, 3,679,620.54 and 1,442,689.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,410.73 : 3,679,620.54 = 1,442,689.40 : x
2. Step 2: Convert to fraction form
   2,666,410.73/3,679,620.54 = 1,442,689.40/x
3. Step 3: Cross multiply
   2,666,410.73x = 3,679,620.54 × 1,442,689.40
4. Step 4: Simplify right side
   2,666,410.73x = 5,308,549,530,682.17
5. Step 5: Solve for x
   x = 5,308,549,530,682.17/2,666,410.73
6. Step 6: Final answer
   x = 1,990,897.16