Finding the Fourth Proportional to 1,078,059.46, 1,616,615.79 and 403,667.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,059.46 : 1,616,615.79 = 403,667.86 : x
2. Step 2: Convert to fraction form
   1,078,059.46/1,616,615.79 = 403,667.86/x
3. Step 3: Cross multiply
   1,078,059.46x = 1,616,615.79 × 403,667.86
4. Step 4: Simplify right side
   1,078,059.46x = 652,575,836,391.51
5. Step 5: Solve for x
   x = 652,575,836,391.51/1,078,059.46
6. Step 6: Final answer
   x = 605,324.53