Finding the Fourth Proportional to 2,666,920.11, 3,680,359.01 and 1,443,225.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,920.11 : 3,680,359.01 = 1,443,225.31 : x
2. Step 2: Convert to fraction form
   2,666,920.11/3,680,359.01 = 1,443,225.31/x
3. Step 3: Cross multiply
   2,666,920.11x = 3,680,359.01 × 1,443,225.31
4. Step 4: Simplify right side
   2,666,920.11x = 5,311,587,273,118.54
5. Step 5: Solve for x
   x = 5,311,587,273,118.54/2,666,920.11
6. Step 6: Final answer
   x = 1,991,655.94