Finding the Fourth Proportional to 2,139,054.67, 3,206,423.02 and 1,340,896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,054.67 : 3,206,423.02 = 1,340,896.72 : x
2. Step 2: Convert to fraction form
   2,139,054.67/3,206,423.02 = 1,340,896.72/x
3. Step 3: Cross multiply
   2,139,054.67x = 3,206,423.02 × 1,340,896.72
4. Step 4: Simplify right side
   2,139,054.67x = 4,299,482,110,450.49
5. Step 5: Solve for x
   x = 4,299,482,110,450.49/2,139,054.67
6. Step 6: Final answer
   x = 2,009,991.69