Finding the Fourth Proportional to 846,969.30, 1,168,819.61 and 465,020.69

Step by Step Solution

1. Step 1: Write the proportion equation
   846,969.30 : 1,168,819.61 = 465,020.69 : x
2. Step 2: Convert to fraction form
   846,969.30/1,168,819.61 = 465,020.69/x
3. Step 3: Cross multiply
   846,969.30x = 1,168,819.61 × 465,020.69
4. Step 4: Simplify right side
   846,969.30x = 543,525,293,358.53
5. Step 5: Solve for x
   x = 543,525,293,358.53/846,969.30
6. Step 6: Final answer
   x = 641,729.63