Finding the Fourth Proportional to 2,666,412.23, 3,679,622.61 and 1,442,690.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,412.23 : 3,679,622.61 = 1,442,690.90 : x
2. Step 2: Convert to fraction form
   2,666,412.23/3,679,622.61 = 1,442,690.90/x
3. Step 3: Cross multiply
   2,666,412.23x = 3,679,622.61 × 1,442,690.90
4. Step 4: Simplify right side
   2,666,412.23x = 5,308,558,036,483.14
5. Step 5: Solve for x
   x = 5,308,558,036,483.14/2,666,412.23
6. Step 6: Final answer
   x = 1,990,899.23