Finding the Fourth Proportional to 1,064,788.69, 1,469,440.71 and 605,969.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,788.69 : 1,469,440.71 = 605,969.20 : x
2. Step 2: Convert to fraction form
   1,064,788.69/1,469,440.71 = 605,969.20/x
3. Step 3: Cross multiply
   1,064,788.69x = 1,469,440.71 × 605,969.20
4. Step 4: Simplify right side
   1,064,788.69x = 890,435,811,486.13
5. Step 5: Solve for x
   x = 890,435,811,486.13/1,064,788.69
6. Step 6: Final answer
   x = 836,255.89