Finding the Fourth Proportional to 2,172,080.69, 3,258,647.77 and 655,673.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,080.69 : 3,258,647.77 = 655,673.02 : x
2. Step 2: Convert to fraction form
   2,172,080.69/3,258,647.77 = 655,673.02/x
3. Step 3: Cross multiply
   2,172,080.69x = 3,258,647.77 × 655,673.02
4. Step 4: Simplify right side
   2,172,080.69x = 2,136,607,431,954.33
5. Step 5: Solve for x
   x = 2,136,607,431,954.33/2,172,080.69
6. Step 6: Final answer
   x = 983,668.54