Finding the Fourth Proportional to 2,172,615.30, 3,259,700.55 and 910,829.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,615.30 : 3,259,700.55 = 910,829.70 : x
2. Step 2: Convert to fraction form
   2,172,615.30/3,259,700.55 = 910,829.70/x
3. Step 3: Cross multiply
   2,172,615.30x = 3,259,700.55 × 910,829.70
4. Step 4: Simplify right side
   2,172,615.30x = 2,969,032,074,046.33
5. Step 5: Solve for x
   x = 2,969,032,074,046.33/2,172,615.30
6. Step 6: Final answer
   x = 1,366,570.54