Finding the Fourth Proportional to 1,066,556.82, 1,599,677.91 and 392,481.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,556.82 : 1,599,677.91 = 392,481.54 : x
2. Step 2: Convert to fraction form
   1,066,556.82/1,599,677.91 = 392,481.54/x
3. Step 3: Cross multiply
   1,066,556.82x = 1,599,677.91 × 392,481.54
4. Step 4: Simplify right side
   1,066,556.82x = 627,844,049,620.78
5. Step 5: Solve for x
   x = 627,844,049,620.78/1,066,556.82
6. Step 6: Final answer
   x = 588,664.42