Finding the Fourth Proportional to 1,066,825.69, 1,599,906.33 and 356,687.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,825.69 : 1,599,906.33 = 356,687.65 : x
2. Step 2: Convert to fraction form
   1,066,825.69/1,599,906.33 = 356,687.65/x
3. Step 3: Cross multiply
   1,066,825.69x = 1,599,906.33 × 356,687.65
4. Step 4: Simplify right side
   1,066,825.69x = 570,666,831,067.71
5. Step 5: Solve for x
   x = 570,666,831,067.71/1,066,825.69
6. Step 6: Final answer
   x = 534,920.41