Finding the Fourth Proportional to 2,666,919.11, 3,680,357.63 and 1,443,224.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,919.11 : 3,680,357.63 = 1,443,224.31 : x
2. Step 2: Convert to fraction form
   2,666,919.11/3,680,357.63 = 1,443,224.31/x
3. Step 3: Cross multiply
   2,666,919.11x = 3,680,357.63 × 1,443,224.31
4. Step 4: Simplify right side
   2,666,919.11x = 5,311,581,593,893.86
5. Step 5: Solve for x
   x = 5,311,581,593,893.86/2,666,919.11
6. Step 6: Final answer
   x = 1,991,654.56