Finding the Fourth Proportional to 2,166,567.36, 2,989,826.33 and 1,199,676.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,567.36 : 2,989,826.33 = 1,199,676.89 : x
2. Step 2: Convert to fraction form
   2,166,567.36/2,989,826.33 = 1,199,676.89/x
3. Step 3: Cross multiply
   2,166,567.36x = 2,989,826.33 × 1,199,676.89
4. Step 4: Simplify right side
   2,166,567.36x = 3,586,825,563,688.27
5. Step 5: Solve for x
   x = 3,586,825,563,688.27/2,166,567.36
6. Step 6: Final answer
   x = 1,655,533.83