Finding the Fourth Proportional to 846,870.22, 1,269,338.94 and 341,107.30

Step by Step Solution

1. Step 1: Write the proportion equation
   846,870.22 : 1,269,338.94 = 341,107.30 : x
2. Step 2: Convert to fraction form
   846,870.22/1,269,338.94 = 341,107.30/x
3. Step 3: Cross multiply
   846,870.22x = 1,269,338.94 × 341,107.30
4. Step 4: Simplify right side
   846,870.22x = 432,980,778,608.26
5. Step 5: Solve for x
   x = 432,980,778,608.26/846,870.22
6. Step 6: Final answer
   x = 511,271.70