Finding the Fourth Proportional to 2,139,012.57, 3,206,358.57 and 1,340,853.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,012.57 : 3,206,358.57 = 1,340,853.57 : x
2. Step 2: Convert to fraction form
   2,139,012.57/3,206,358.57 = 1,340,853.57/x
3. Step 3: Cross multiply
   2,139,012.57x = 3,206,358.57 × 1,340,853.57
4. Step 4: Simplify right side
   2,139,012.57x = 4,299,257,335,284.60
5. Step 5: Solve for x
   x = 4,299,257,335,284.60/2,139,012.57
6. Step 6: Final answer
   x = 2,009,926.17