Finding the Fourth Proportional to 627,499.37, 865,955.81 and 341,019.45

Step by Step Solution

1. Step 1: Write the proportion equation
   627,499.37 : 865,955.81 = 341,019.45 : x
2. Step 2: Convert to fraction form
   627,499.37/865,955.81 = 341,019.45/x
3. Step 3: Cross multiply
   627,499.37x = 865,955.81 × 341,019.45
4. Step 4: Simplify right side
   627,499.37x = 295,307,774,903.05
5. Step 5: Solve for x
   x = 295,307,774,903.05/627,499.37
6. Step 6: Final answer
   x = 470,610.47