Finding the Fourth Proportional to 451,323.05, 622,830.72 and 247,369.50

Step by Step Solution

1. Step 1: Write the proportion equation
   451,323.05 : 622,830.72 = 247,369.50 : x
2. Step 2: Convert to fraction form
   451,323.05/622,830.72 = 247,369.50/x
3. Step 3: Cross multiply
   451,323.05x = 622,830.72 × 247,369.50
4. Step 4: Simplify right side
   451,323.05x = 154,069,323,791.04
5. Step 5: Solve for x
   x = 154,069,323,791.04/451,323.05
6. Step 6: Final answer
   x = 341,372.61