Finding the Fourth Proportional to 846,242.49, 1,269,573.83 and 419,978.37

Step by Step Solution

1. Step 1: Write the proportion equation
   846,242.49 : 1,269,573.83 = 419,978.37 : x
2. Step 2: Convert to fraction form
   846,242.49/1,269,573.83 = 419,978.37/x
3. Step 3: Cross multiply
   846,242.49x = 1,269,573.83 × 419,978.37
4. Step 4: Simplify right side
   846,242.49x = 533,193,547,718.06
5. Step 5: Solve for x
   x = 533,193,547,718.06/846,242.49
6. Step 6: Final answer
   x = 630,071.82