Finding the Fourth Proportional to 1,081,017.43, 1,620,978.72 and 361,102.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081,017.43 : 1,620,978.72 = 361,102.49 : x
2. Step 2: Convert to fraction form
   1,081,017.43/1,620,978.72 = 361,102.49/x
3. Step 3: Cross multiply
   1,081,017.43x = 1,620,978.72 × 361,102.49
4. Step 4: Simplify right side
   1,081,017.43x = 585,339,448,648.66
5. Step 5: Solve for x
   x = 585,339,448,648.66/1,081,017.43
6. Step 6: Final answer
   x = 541,470.87