Finding the Fourth Proportional to 2,196,592.20, 3,291,389.10 and 1,629,721.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196,592.20 : 3,291,389.10 = 1,629,721.80 : x
2. Step 2: Convert to fraction form
   2,196,592.20/3,291,389.10 = 1,629,721.80/x
3. Step 3: Cross multiply
   2,196,592.20x = 3,291,389.10 × 1,629,721.80
4. Step 4: Simplify right side
   2,196,592.20x = 5,364,048,568,552.38
5. Step 5: Solve for x
   x = 5,364,048,568,552.38/2,196,592.20
6. Step 6: Final answer
   x = 2,441,986.53