Finding the Fourth Proportional to 2,947,423.83, 4,067,443.90 and 1,640,647.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947,423.83 : 4,067,443.90 = 1,640,647.49 : x
2. Step 2: Convert to fraction form
   2,947,423.83/4,067,443.90 = 1,640,647.49/x
3. Step 3: Cross multiply
   2,947,423.83x = 4,067,443.90 × 1,640,647.49
4. Step 4: Simplify right side
   2,947,423.83x = 6,673,241,625,250.81
5. Step 5: Solve for x
   x = 6,673,241,625,250.81/2,947,423.83
6. Step 6: Final answer
   x = 2,264,092.99